# AnatomyFYI > Comprehensive human anatomy encyclopedia. 14,692 anatomical structures across 12 body systems and 20 body regions, 9 entity types (organ, muscle, bone, nerve, vessel, gland, ligament, tendon, joint), hierarchical organ relationships, entity comparisons, glossary terms, guides, and interactive tools in 15 languages. ## Data Scope - 14,692 anatomical structures (entities) with names and Latin names (Terminologia Anatomica) - 12 body systems (e.g. Skeletal, Muscular, Cardiovascular, Nervous, Digestive) - 20 body regions (e.g. Head, Thorax, Upper Arm, Abdomen) - 9 entity types: organ, muscle, bone, nerve, vessel, gland, ligament, tendon, joint - Hierarchical parent-child organ relationships (e.g. Heart > Left Ventricle) - Directional entity relationships: connects_to, innervates, supplies_blood, drains, is_part_of - External IDs: FMA ID (Foundational Model of Anatomy), Wikidata QID, UBERON ID - Clinical significance and function descriptions - Watercolor anatomy illustrations - Entity comparisons (N-squared) - Glossary terms across anatomy categories - Guides in themed series - Interactive anatomy tools ## URL Patterns - Append `.md` to any URL for plain-text markdown format. - i18n: URL prefix `/{lang}` for non-English (ko, ja, zh-hans, es, fr, de, pt, ru, vi, tr, ar, hi, th, id). - `/structures/` — Anatomical structures list (filterable by system, region, type) (e.g. `/structures/`) - `/structure/{slug}/` — Structure detail with function, clinical significance, relations (e.g. `/structure/heart/`) - `/systems/` — Body systems list (12 systems) (e.g. `/systems/`) - `/system/{slug}/` — Body system detail with structures (e.g. `/system/cardiovascular/`) - `/regions/` — Body regions list (20 regions) (e.g. `/regions/`) - `/region/{slug}/` — Body region detail with structures (e.g. `/region/thorax/`) - `/compare/` — Anatomy comparison tool (e.g. `/compare/`) - `/compare/{slug1}/vs/{slug2}/` — Compare two structures (e.g. `/compare/heart/vs/lungs/`) - `/glossary/` — Anatomy glossary (e.g. `/glossary/`) - `/glossary/{slug}/` — Glossary term definition (e.g. `/glossary/anterior/`) - `/guide/` — Anatomy guides (e.g. `/guide/`) - `/guide/{slug}/` — Guide article (e.g. `/guide/cardiovascular-system-overview/`) - `/tools/` — Interactive anatomy tools (e.g. `/tools/`) - `/tools/{slug}/` — Tool page (e.g. `/tools/body-system-explorer/`) - `/rankings/` — Anatomy rankings index (e.g. `/rankings/`) - `/rankings/{metric}/` — Ranking by metric (e.g. `/rankings/most-structures-by-system/`) - `/search/` — Search structures, glossary (e.g. `/search/?q=heart`) ## Browse Anatomy - [All Structures (14,692)](https://anatomyfyi.com/structures/) - [Body Systems (12)](https://anatomyfyi.com/systems/) - [Body Regions (20)](https://anatomyfyi.com/regions/) ## Compare & Explore - [Structure Comparison](https://anatomyfyi.com/compare/) - [Rankings](https://anatomyfyi.com/rankings/) ## Guides & Education - [All Guides](https://anatomyfyi.com/guide/) - [Glossary](https://anatomyfyi.com/glossary/) ## Interactive Tools - [All Tools](https://anatomyfyi.com/tools/) ## Embed Widget - [AnatomyFYI Widget Docs](https://widget.anatomyfyi.com) - [anatomyfyi-embed on npm](https://www.npmjs.com/package/anatomyfyi-embed) - [anatomyfyi-embed on GitHub](https://github.com/fyipedia/anatomyfyi-embed) ## REST API Free REST API. No authentication required. JSON responses. CORS enabled. | Method | Endpoint | Description | |--------|----------|-------------| | GET | `/api/v1/entities/` | List anatomical structures (paginated) | | GET | `/api/v1/entities/{slug}/` | Structure detail | | GET | `/api/v1/systems/` | List body systems | | GET | `/api/v1/systems/{slug}/` | Body system detail | | GET | `/api/v1/regions/` | List body regions | | GET | `/api/v1/regions/{slug}/` | Body region detail | | GET | `/api/v1/relations/` | Entity relations (entity_from ↔ entity_to) | | GET | `/api/v1/comparisons/` | Entity comparisons | | GET | `/api/v1/glossary-categories/` | Glossary categories | | GET | `/api/v1/glossary/` | Glossary terms | | GET | `/api/v1/glossary/{slug}/` | Glossary term detail | | GET | `/api/v1/guide-series/` | Guide series | | GET | `/api/v1/guides/` | Guide articles | | GET | `/api/v1/guides/{slug}/` | Guide detail | | GET | `/api/v1/faqs/` | FAQs | | GET | `/api/v1/search/?q={query}` | Search across structures, systems, regions | | GET | `/api/v1/stats/` | Site statistics | | GET | `/api/v1/schema/` | OpenAPI 3.1 schema | ```bash curl -s "https://anatomyfyi.com/api/v1/entities/?limit=5" ``` [API Docs](https://anatomyfyi.com/developers/) ## Health FYI Family Part of [FYIPedia](https://fyipedia.com) developer tools ecosystem. - [AnatomyFYI](https://anatomyfyi.com) — 14,692 anatomical structures, systems, organs - [PillFYI](https://pillfyi.com) — Pill identification, FDA/MFDS drug database - [DrugFYI](https://drugfyi.com) — Drug interactions, pharmacology, side effects - [NutriFYI](https://nutrifyi.com) — Nutrition data, food composition, dietary analysis ## Images (CDN) OG images and watercolor illustrations at https://cdn.anatomyfyi.com/og/ - https://cdn.anatomyfyi.com/og/homepage.png ## Body Systems - [Skeletal (61 structures)](https://anatomyfyi.com/system/skeletal/) - [Muscular (55 structures)](https://anatomyfyi.com/system/muscular/) - [Cardiovascular (60 structures)](https://anatomyfyi.com/system/cardiovascular/) - [Nervous (708 structures)](https://anatomyfyi.com/system/nervous/) - [Respiratory (246 structures)](https://anatomyfyi.com/system/respiratory/) - [Digestive (162 structures)](https://anatomyfyi.com/system/digestive/) - [Endocrine (70 structures)](https://anatomyfyi.com/system/endocrine/) - [Lymphatic/Immune (42 structures)](https://anatomyfyi.com/system/lymphatic-immune/) - [Urinary (40 structures)](https://anatomyfyi.com/system/urinary/) - [Reproductive (32 structures)](https://anatomyfyi.com/system/reproductive/) - [Integumentary (72 structures)](https://anatomyfyi.com/system/integumentary/) - [Special Senses (5 structures)](https://anatomyfyi.com/system/special-senses/) ## Body Regions - [Head (0 structures)](https://anatomyfyi.com/region/head/) - [Face (0 structures)](https://anatomyfyi.com/region/face/) - [Neck (0 structures)](https://anatomyfyi.com/region/neck/) - [Thorax (0 structures)](https://anatomyfyi.com/region/thorax/) - [Abdomen (0 structures)](https://anatomyfyi.com/region/abdomen/) - [Pelvis (0 structures)](https://anatomyfyi.com/region/pelvis/) - [Back (0 structures)](https://anatomyfyi.com/region/back/) - [Upper Arm (0 structures)](https://anatomyfyi.com/region/upper-arm/) - [Forearm (0 structures)](https://anatomyfyi.com/region/forearm/) - [Hand (0 structures)](https://anatomyfyi.com/region/hand/) - [Thigh (0 structures)](https://anatomyfyi.com/region/thigh/) - [Leg (0 structures)](https://anatomyfyi.com/region/leg/) - [Foot (0 structures)](https://anatomyfyi.com/region/foot/) - [Shoulder (0 structures)](https://anatomyfyi.com/region/shoulder/) - [Hip (0 structures)](https://anatomyfyi.com/region/hip/) - [Spine (0 structures)](https://anatomyfyi.com/region/spine/) - [Brain (0 structures)](https://anatomyfyi.com/region/brain/) - [Heart Region (0 structures)](https://anatomyfyi.com/region/heart-region/) - [Eye (0 structures)](https://anatomyfyi.com/region/eye/) - [Ear (0 structures)](https://anatomyfyi.com/region/ear/) ## Featured Structures - [Aorta (Aorta)](https://anatomyfyi.com/structure/aorta/) - [Atlas (C1) (Atlas)](https://anatomyfyi.com/structure/atlas-c1/) - [Axis (C2) (Axis)](https://anatomyfyi.com/structure/axis-c2/) - [Biceps brachii (Musculus biceps brachii)](https://anatomyfyi.com/structure/biceps-brachii/) - [Brain (Encephalon)](https://anatomyfyi.com/structure/brain/) - [Clavicle (Os claviculae)](https://anatomyfyi.com/structure/clavicle/) - [Deltoid (Musculus deltoideus)](https://anatomyfyi.com/structure/deltoid/) - [Diaphragm (Musculus diaphragma)](https://anatomyfyi.com/structure/diaphragm/) - [Femur (Os femoris)](https://anatomyfyi.com/structure/femur/) - [Gluteus maximus (Musculus gluteus maximus)](https://anatomyfyi.com/structure/gluteus-maximus/) - [Heart (Cor)](https://anatomyfyi.com/structure/heart/) - [Humerus (Os humeri)](https://anatomyfyi.com/structure/humerus/) - [Kidneys (Renes)](https://anatomyfyi.com/structure/kidneys/) - [Liver (Hepar)](https://anatomyfyi.com/structure/liver/) - [Lungs (Pulmones)](https://anatomyfyi.com/structure/lungs/) - [Mandible (Os mandibulae)](https://anatomyfyi.com/structure/mandible/) - [Median nerve (Nervus medianus)](https://anatomyfyi.com/structure/median-nerve/) - [Patella (Os patellae)](https://anatomyfyi.com/structure/patella/) - [Pituitary gland (Glandula pituitaria)](https://anatomyfyi.com/structure/pituitary-gland/) - [Quadriceps femoris (Musculus quadriceps femoris)](https://anatomyfyi.com/structure/quadriceps-femoris/) - [Scapula (Os scapulae)](https://anatomyfyi.com/structure/scapula/) - [Sciatic nerve (Nervus ischiadicus)](https://anatomyfyi.com/structure/sciatic-nerve/) - [Sternum (Os sternum)](https://anatomyfyi.com/structure/sternum/) - [Thyroid gland (Glandula thyroidea)](https://anatomyfyi.com/structure/thyroid-gland/) - [Tibia (Os tibiae)](https://anatomyfyi.com/structure/tibia/) - [Vagus nerve (Nervus vagus)](https://anatomyfyi.com/structure/vagus-nerve/) ## Guide Series: Human Body Basics - [Introduction to Human Anatomy](https://anatomyfyi.com/guide/introduction-to-human-anatomy/) - [The Skeletal System: Bones and Joints](https://anatomyfyi.com/guide/skeletal-system-bones-and-joints/) - [The Muscular System: Movement and Control](https://anatomyfyi.com/guide/muscular-system-movement-and-control/) - [The Nervous System: Brain and Nerves](https://anatomyfyi.com/guide/nervous-system-brain-and-nerves/) - [The Cardiovascular System: Heart and Circulation](https://anatomyfyi.com/guide/cardiovascular-system-heart-and-circulation/) ## Guide Series: Clinical Anatomy - [Surface Anatomy and Landmarks](https://anatomyfyi.com/guide/surface-anatomy-and-landmarks/) - [Dermatomes and Myotomes](https://anatomyfyi.com/guide/dermatomes-and-myotomes/) - [Imaging Anatomy: X-ray, CT, and MRI](https://anatomyfyi.com/guide/imaging-anatomy-xray-ct-mri/) - [Anatomical Variations and Clinical Significance](https://anatomyfyi.com/guide/anatomical-variations-clinical-significance/) - [Emergency Anatomy: Critical Procedures](https://anatomyfyi.com/guide/emergency-anatomy-critical-procedures/) ## Guide Series: Body Systems Deep Dive - [The Skeletal System: Framework of the Body](https://anatomyfyi.com/guide/skeletal-system-deep-dive/) - [The Muscular System: Engines of Movement](https://anatomyfyi.com/guide/muscular-system-deep-dive/) - [The Cardiovascular System: Rivers of Life](https://anatomyfyi.com/guide/cardiovascular-system-deep-dive/) - [The Nervous System: The Body's Command Center](https://anatomyfyi.com/guide/nervous-system-deep-dive/) - [The Respiratory System: Breath of Life](https://anatomyfyi.com/guide/respiratory-system-deep-dive/) ## Guide Series: Regional Anatomy - [Anatomy of the Head and Neck](https://anatomyfyi.com/guide/anatomy-of-head-and-neck/) - [Anatomy of the Thorax](https://anatomyfyi.com/guide/anatomy-of-the-thorax/) - [Anatomy of the Abdomen](https://anatomyfyi.com/guide/anatomy-of-the-abdomen/) - [Anatomy of the Upper Limb](https://anatomyfyi.com/guide/anatomy-of-the-upper-limb/) - [Anatomy of the Lower Limb](https://anatomyfyi.com/guide/anatomy-of-the-lower-limb/) ## Guide Series: Organ Profiles - [The Heart: Anatomy and Function](https://anatomyfyi.com/guide/heart-organ-profile/) - [The Brain: Structure and Function](https://anatomyfyi.com/guide/brain-organ-profile/) - [The Lungs: Anatomy and Respiration](https://anatomyfyi.com/guide/lungs-organ-profile/) - [The Liver: The Body's Chemical Factory](https://anatomyfyi.com/guide/liver-organ-profile/) - [The Kidneys: Filtration and Homeostasis](https://anatomyfyi.com/guide/kidneys-organ-profile/) ## Guide Series: Embryology Basics - [From Fertilization to Implantation](https://anatomyfyi.com/guide/fertilization-to-implantation/) - [Gastrulation and the Three Germ Layers](https://anatomyfyi.com/guide/gastrulation-three-germ-layers/) - [Neural Tube and Nervous System Development](https://anatomyfyi.com/guide/neural-tube-nervous-system-development/) - [Heart Development: From Tube to Four Chambers](https://anatomyfyi.com/guide/heart-development-embryology/) - [Limb Development and Musculoskeletal Formation](https://anatomyfyi.com/guide/limb-development-embryology/) ## Guide Series: Clinical Correlations - [Anatomy of Common Fractures](https://anatomyfyi.com/guide/anatomy-of-common-fractures/) - [Hernias: The Anatomical Basis](https://anatomyfyi.com/guide/hernias-anatomical-basis/) - [Nerve Injuries and Clinical Anatomy](https://anatomyfyi.com/guide/nerve-injuries-clinical-anatomy/) - [Vascular Anatomy in Clinical Practice](https://anatomyfyi.com/guide/vascular-anatomy-clinical-practice/) - [Anatomy of Medical Imaging](https://anatomyfyi.com/guide/anatomy-of-medical-imaging/) ## Anatomy Glossary - [Abscess (Clinical)](https://anatomyfyi.com/glossary/abscess/) - [Acinus (pancreas) (Digestive System)](https://anatomyfyi.com/glossary/pancreatic-acinus/) - [Actin (Muscular System)](https://anatomyfyi.com/glossary/actin/) - [Adhesion (Clinical)](https://anatomyfyi.com/glossary/adhesion/) - [Adipose Tissue (Histology)](https://anatomyfyi.com/glossary/adipose-tissue/) - [Adrenal Cortex (Endocrine System)](https://anatomyfyi.com/glossary/adrenal-cortex/) - [Adrenal Medulla (Endocrine System)](https://anatomyfyi.com/glossary/adrenal-medulla/) - [Afferent (General Anatomy)](https://anatomyfyi.com/glossary/afferent/) - [Agonist (Muscular System)](https://anatomyfyi.com/glossary/agonist/) - [Alveolus (Respiratory System)](https://anatomyfyi.com/glossary/alveolus/) - [Amnion (Developmental Anatomy)](https://anatomyfyi.com/glossary/amnion/) - [Anastomosis (Cardiovascular)](https://anatomyfyi.com/glossary/anastomosis/) - [Anatomical Position (General Anatomy)](https://anatomyfyi.com/glossary/anatomical-position/) - [Annulus Fibrosus (Musculoskeletal)](https://anatomyfyi.com/glossary/annulus-fibrosus/) - [Antagonist (Muscular System)](https://anatomyfyi.com/glossary/antagonist/) - [Anterior (General Anatomy)](https://anatomyfyi.com/glossary/anterior/) - [Aponeurosis (Muscular System)](https://anatomyfyi.com/glossary/aponeurosis/) - [Areolar Tissue (Histology)](https://anatomyfyi.com/glossary/areolar-tissue/) - [Articulation (Musculoskeletal)](https://anatomyfyi.com/glossary/articulation/) - [Astrocyte (Neuroanatomy)](https://anatomyfyi.com/glossary/astrocyte/) - [Atrioventricular Node (Cardiovascular)](https://anatomyfyi.com/glossary/atrioventricular-node/) - [Atrium (Cardiovascular)](https://anatomyfyi.com/glossary/atrium/) - [Atrophy (Clinical)](https://anatomyfyi.com/glossary/atrophy/) - [Axon (Neuroanatomy)](https://anatomyfyi.com/glossary/axon/) - [Bile (Digestive System)](https://anatomyfyi.com/glossary/bile/) - [Blastocyst (Developmental Anatomy)](https://anatomyfyi.com/glossary/blastocyst/) - [Blood-Brain Barrier (Neuroanatomy)](https://anatomyfyi.com/glossary/blood-brain-barrier/) - [Blood (tissue) (Histology)](https://anatomyfyi.com/glossary/blood-tissue/) - [Bone Tissue (Histology)](https://anatomyfyi.com/glossary/bone-tissue/) - [Brainstem (Neuroanatomy)](https://anatomyfyi.com/glossary/brainstem/) - [Bronchiole (Respiratory System)](https://anatomyfyi.com/glossary/bronchiole/) - [Bronchus (Respiratory System)](https://anatomyfyi.com/glossary/bronchus/) - [Bundle of His (Cardiovascular)](https://anatomyfyi.com/glossary/bundle-of-his/) - [Bursa (Musculoskeletal)](https://anatomyfyi.com/glossary/bursa/) - [Cartilage (Histology)](https://anatomyfyi.com/glossary/cartilage/) - [Cerebellum (Neuroanatomy)](https://anatomyfyi.com/glossary/cerebellum/) - [Cerebral Cortex (Neuroanatomy)](https://anatomyfyi.com/glossary/cerebral-cortex/) - [Circular Muscle (Muscular System)](https://anatomyfyi.com/glossary/circular-muscle/) - [Columnar (Histology)](https://anatomyfyi.com/glossary/columnar/) - [Concentric Contraction (Muscular System)](https://anatomyfyi.com/glossary/concentric-contraction/) - [Condyle (Skeletal System)](https://anatomyfyi.com/glossary/condyle/) - [Connective Tissue (Histology)](https://anatomyfyi.com/glossary/connective-tissue/) - [Contralateral (General Anatomy)](https://anatomyfyi.com/glossary/contralateral/) - [Convergent Muscle (Muscular System)](https://anatomyfyi.com/glossary/convergent-muscle/) - [Coronal Plane (General Anatomy)](https://anatomyfyi.com/glossary/coronal-plane/) - [Crest (bone) (Skeletal System)](https://anatomyfyi.com/glossary/bone-crest/) - [Cuboidal (Histology)](https://anatomyfyi.com/glossary/cuboidal/) - [Dead Space (Respiratory System)](https://anatomyfyi.com/glossary/dead-space/) - [Deep (General Anatomy)](https://anatomyfyi.com/glossary/deep/) - [Dendrite (Neuroanatomy)](https://anatomyfyi.com/glossary/dendrite/) - [Dense Irregular (Histology)](https://anatomyfyi.com/glossary/dense-irregular/) - [Dense Regular (Histology)](https://anatomyfyi.com/glossary/dense-regular/) - [Dermatome (Neuroanatomy)](https://anatomyfyi.com/glossary/dermatome/) - [Diaphragm (muscle) (Respiratory System)](https://anatomyfyi.com/glossary/diaphragm-muscle/) - [Diaphysis (Skeletal System)](https://anatomyfyi.com/glossary/diaphysis/) - [Diastole (Cardiovascular)](https://anatomyfyi.com/glossary/diastole/) - [Distal (General Anatomy)](https://anatomyfyi.com/glossary/distal/) - [Dorsal (General Anatomy)](https://anatomyfyi.com/glossary/dorsal/) - [Eccentric Contraction (Muscular System)](https://anatomyfyi.com/glossary/eccentric-contraction/) - [Ectoderm (Developmental Anatomy)](https://anatomyfyi.com/glossary/ectoderm/) - [Edema (Clinical)](https://anatomyfyi.com/glossary/edema/) - [Efferent (General Anatomy)](https://anatomyfyi.com/glossary/efferent/) - [Elastic Cartilage (Histology)](https://anatomyfyi.com/glossary/elastic-cartilage/) - [Elastic Tissue (Histology)](https://anatomyfyi.com/glossary/elastic-tissue/) - [Embolism (Clinical)](https://anatomyfyi.com/glossary/embolism/) - [Endocardium (Cardiovascular)](https://anatomyfyi.com/glossary/endocardium/) - [Endoderm (Developmental Anatomy)](https://anatomyfyi.com/glossary/endoderm/) - [Endomysium (Muscular System)](https://anatomyfyi.com/glossary/endomysium/) - [Endosteum (Skeletal System)](https://anatomyfyi.com/glossary/endosteum/) - [Endothelium (Cardiovascular)](https://anatomyfyi.com/glossary/endothelium/) - [Enthesis (Musculoskeletal)](https://anatomyfyi.com/glossary/enthesis/) - [Epicondyle (Skeletal System)](https://anatomyfyi.com/glossary/epicondyle/) - [Epimysium (Muscular System)](https://anatomyfyi.com/glossary/epimysium/) - [Epiphysis (Skeletal System)](https://anatomyfyi.com/glossary/epiphysis/) - [Epithelium (Histology)](https://anatomyfyi.com/glossary/epithelium/) - [Facet (bone) (Skeletal System)](https://anatomyfyi.com/glossary/bone-facet/) - [Fascia (Musculoskeletal)](https://anatomyfyi.com/glossary/fascia/) - [Fibrocartilage (Histology)](https://anatomyfyi.com/glossary/fibrocartilage/) - [Fistula (Clinical)](https://anatomyfyi.com/glossary/fistula/) - [Fixator (Muscular System)](https://anatomyfyi.com/glossary/fixator/) - [Fontanelle (Skeletal System)](https://anatomyfyi.com/glossary/fontanelle/) - [Foramen (Skeletal System)](https://anatomyfyi.com/glossary/foramen/) - [Fossa (Skeletal System)](https://anatomyfyi.com/glossary/fossa/) - [Fusiform (Muscular System)](https://anatomyfyi.com/glossary/fusiform/) - [Ganglion (Neuroanatomy)](https://anatomyfyi.com/glossary/ganglion/) - [Gas Exchange (Respiratory System)](https://anatomyfyi.com/glossary/gas-exchange/) - [Gastrulation (Developmental Anatomy)](https://anatomyfyi.com/glossary/gastrulation/) - [Glial Cell (Neuroanatomy)](https://anatomyfyi.com/glossary/glial-cell/) - [Gonad (Endocrine System)](https://anatomyfyi.com/glossary/gonad/) - [Haustra (Digestive System)](https://anatomyfyi.com/glossary/haustra/) - [Haversian System (Skeletal System)](https://anatomyfyi.com/glossary/haversian-system/) - [Hemorrhage (Clinical)](https://anatomyfyi.com/glossary/hemorrhage/) - [Hepatic Lobule (Digestive System)](https://anatomyfyi.com/glossary/hepatic-lobule/) - [Herniation (Clinical)](https://anatomyfyi.com/glossary/herniation/) - [Hormone (Endocrine System)](https://anatomyfyi.com/glossary/hormone/) - [Hyaline Cartilage (Histology)](https://anatomyfyi.com/glossary/hyaline-cartilage/) - [Hypertrophy (Clinical)](https://anatomyfyi.com/glossary/hypertrophy/) - [Hypothalamus (Endocrine System)](https://anatomyfyi.com/glossary/hypothalamus/) - [Hypothalamus (neuro) (Neuroanatomy)](https://anatomyfyi.com/glossary/hypothalamus-neuro/) - [Infarction (Clinical)](https://anatomyfyi.com/glossary/infarction/) - [Inferior (General Anatomy)](https://anatomyfyi.com/glossary/inferior/) - [Inflammation (Clinical)](https://anatomyfyi.com/glossary/inflammation/) - [Insertion (Musculoskeletal)](https://anatomyfyi.com/glossary/insertion/) - [Intermuscular Septum (Musculoskeletal)](https://anatomyfyi.com/glossary/intermuscular-septum/) - [Intervertebral Disc (Musculoskeletal)](https://anatomyfyi.com/glossary/intervertebral-disc/) - [Investing Fascia (Musculoskeletal)](https://anatomyfyi.com/glossary/investing-fascia/) - [Ipsilateral (General Anatomy)](https://anatomyfyi.com/glossary/ipsilateral/) - [Ischemia (Clinical)](https://anatomyfyi.com/glossary/ischemia/) - [Ischemic (Clinical)](https://anatomyfyi.com/glossary/ischemic/) - [Islets of Langerhans (Digestive System)](https://anatomyfyi.com/glossary/islets-of-langerhans/) - [Isometric Contraction (Muscular System)](https://anatomyfyi.com/glossary/isometric-contraction/) - [Isotonic Contraction (Muscular System)](https://anatomyfyi.com/glossary/isotonic-contraction/) - [Labrum (Musculoskeletal)](https://anatomyfyi.com/glossary/labrum/) - [Larynx (Respiratory System)](https://anatomyfyi.com/glossary/larynx/) - [Lateral (General Anatomy)](https://anatomyfyi.com/glossary/lateral/) - [Ligament (Musculoskeletal)](https://anatomyfyi.com/glossary/ligament/) - [Lumen (Cardiovascular)](https://anatomyfyi.com/glossary/lumen/) - [Medial (General Anatomy)](https://anatomyfyi.com/glossary/medial/) - [Meninges (Neuroanatomy)](https://anatomyfyi.com/glossary/meninges/) - [Meniscus (Musculoskeletal)](https://anatomyfyi.com/glossary/meniscus/) - [Mesentery (Digestive System)](https://anatomyfyi.com/glossary/mesentery/) - [Mesoderm (Developmental Anatomy)](https://anatomyfyi.com/glossary/mesoderm/) - [Metaphysis (Skeletal System)](https://anatomyfyi.com/glossary/metaphysis/) - [Metastasis (Clinical)](https://anatomyfyi.com/glossary/metastasis/) - [Microvilli (Digestive System)](https://anatomyfyi.com/glossary/microvilli/) - [Motor End Plate (Muscular System)](https://anatomyfyi.com/glossary/motor-end-plate/) - [Motor Unit (Muscular System)](https://anatomyfyi.com/glossary/motor-unit/) - [Myelin (Neuroanatomy)](https://anatomyfyi.com/glossary/myelin/) - [Myocardium (Cardiovascular)](https://anatomyfyi.com/glossary/myocardium/) - [Myofibril (Muscular System)](https://anatomyfyi.com/glossary/myofibril/) - [Myosin (Muscular System)](https://anatomyfyi.com/glossary/myosin/) - [Myotendinous Junction (Musculoskeletal)](https://anatomyfyi.com/glossary/myotendinous-junction/) - [Necrosis (Clinical)](https://anatomyfyi.com/glossary/necrosis/) - [Negative Feedback (Endocrine System)](https://anatomyfyi.com/glossary/negative-feedback/) - [Neoplasm (Clinical)](https://anatomyfyi.com/glossary/neoplasm/) - [Neural Crest (Developmental Anatomy)](https://anatomyfyi.com/glossary/neural-crest/) - [Neural Tube (Developmental Anatomy)](https://anatomyfyi.com/glossary/neural-tube/) - [Neuromuscular Junction (Muscular System)](https://anatomyfyi.com/glossary/neuromuscular-junction/) - [Neuron (Neuroanatomy)](https://anatomyfyi.com/glossary/neuron/) - [Neurulation (Developmental Anatomy)](https://anatomyfyi.com/glossary/neurulation/) - [Notch (Skeletal System)](https://anatomyfyi.com/glossary/notch/) - [Notochord (Developmental Anatomy)](https://anatomyfyi.com/glossary/notochord/) - [Nucleus Pulposus (Musculoskeletal)](https://anatomyfyi.com/glossary/nucleus-pulposus/) - [Oligodendrocyte (Neuroanatomy)](https://anatomyfyi.com/glossary/oligodendrocyte/) - [Omentum (Digestive System)](https://anatomyfyi.com/glossary/omentum/) - [Organogenesis (Developmental Anatomy)](https://anatomyfyi.com/glossary/organogenesis/) - [Origin (Musculoskeletal)](https://anatomyfyi.com/glossary/origin/) - [Ossification (Skeletal System)](https://anatomyfyi.com/glossary/ossification/) - [Osteoblast (Skeletal System)](https://anatomyfyi.com/glossary/osteoblast/) - [Osteoclast (Skeletal System)](https://anatomyfyi.com/glossary/osteoclast/) - [Osteocyte (Skeletal System)](https://anatomyfyi.com/glossary/osteocyte/) - [Pancreatic Islets (Endocrine System)](https://anatomyfyi.com/glossary/pancreatic-islets/) - [Parathyroid (Endocrine System)](https://anatomyfyi.com/glossary/parathyroid/) - [Pennate (Muscular System)](https://anatomyfyi.com/glossary/pennate/) - [Perfusion (Cardiovascular)](https://anatomyfyi.com/glossary/perfusion/) - [Pericardium (Cardiovascular)](https://anatomyfyi.com/glossary/pericardium/) - [Perimysium (Muscular System)](https://anatomyfyi.com/glossary/perimysium/) - [Periosteum (Skeletal System)](https://anatomyfyi.com/glossary/periosteum/) - [Peristalsis (Digestive System)](https://anatomyfyi.com/glossary/peristalsis/) - [Peritoneum (Digestive System)](https://anatomyfyi.com/glossary/peritoneum/) - [Pharyngeal Arch (Developmental Anatomy)](https://anatomyfyi.com/glossary/pharyngeal-arch/) - [Pharynx (Respiratory System)](https://anatomyfyi.com/glossary/pharynx/) - [Pineal Gland (Endocrine System)](https://anatomyfyi.com/glossary/pineal-gland/) - [Pituitary Gland (Endocrine System)](https://anatomyfyi.com/glossary/pituitary-gland/) - [Placenta (Developmental Anatomy)](https://anatomyfyi.com/glossary/placenta/) - [Pleura (Respiratory System)](https://anatomyfyi.com/glossary/pleura/) - [Pleural Cavity (Respiratory System)](https://anatomyfyi.com/glossary/pleural-cavity/) - [Plexus (Neuroanatomy)](https://anatomyfyi.com/glossary/plexus/) - [Positive Feedback (Endocrine System)](https://anatomyfyi.com/glossary/positive-feedback/) - [Posterior (General Anatomy)](https://anatomyfyi.com/glossary/posterior/) - [Prime Mover (Muscular System)](https://anatomyfyi.com/glossary/prime-mover/) - [Process (bone) (Skeletal System)](https://anatomyfyi.com/glossary/bone-process/) - [Prolapse (Clinical)](https://anatomyfyi.com/glossary/prolapse/) - [Proximal (General Anatomy)](https://anatomyfyi.com/glossary/proximal/) - [Purkinje Fibers (Cardiovascular)](https://anatomyfyi.com/glossary/purkinje-fibers/) - [Raphe (Musculoskeletal)](https://anatomyfyi.com/glossary/raphe/) - [Receptor (Endocrine System)](https://anatomyfyi.com/glossary/hormone-receptor/) - [Reticular Tissue (Histology)](https://anatomyfyi.com/glossary/reticular-tissue/) - [Retinaculum (Muscular System)](https://anatomyfyi.com/glossary/retinaculum/) - [Retroperitoneal (Digestive System)](https://anatomyfyi.com/glossary/retroperitoneal/) - [Rugae (Digestive System)](https://anatomyfyi.com/glossary/rugae/) - [Sagittal Plane (General Anatomy)](https://anatomyfyi.com/glossary/sagittal-plane/) - [Sarcomere (Muscular System)](https://anatomyfyi.com/glossary/sarcomere/) - [Schwann Cell (Neuroanatomy)](https://anatomyfyi.com/glossary/schwann-cell/) - [Sepsis (Clinical)](https://anatomyfyi.com/glossary/sepsis/) - [Septum (cardiac) (Cardiovascular)](https://anatomyfyi.com/glossary/cardiac-septum/) - [Sesamoid Bone (Musculoskeletal)](https://anatomyfyi.com/glossary/sesamoid-bone/) - [Simple Epithelium (Histology)](https://anatomyfyi.com/glossary/simple-epithelium/) - [Sinoatrial Node (Cardiovascular)](https://anatomyfyi.com/glossary/sinoatrial-node/) - [Somite (Developmental Anatomy)](https://anatomyfyi.com/glossary/somite/) - [Sphincter (Digestive System)](https://anatomyfyi.com/glossary/sphincter/) - [Spinal Cord (Neuroanatomy)](https://anatomyfyi.com/glossary/spinal-cord/) - [Spine (bone) (Skeletal System)](https://anatomyfyi.com/glossary/bone-spine/) - [Squamous (Histology)](https://anatomyfyi.com/glossary/squamous/) - [Stenosis (Clinical)](https://anatomyfyi.com/glossary/stenosis/) - [Stratified Epithelium (Histology)](https://anatomyfyi.com/glossary/stratified-epithelium/) - [Sulcus (Skeletal System)](https://anatomyfyi.com/glossary/sulcus/) - [Superficial (General Anatomy)](https://anatomyfyi.com/glossary/superficial/) - [Superior (General Anatomy)](https://anatomyfyi.com/glossary/superior/) - [Surfactant (Respiratory System)](https://anatomyfyi.com/glossary/surfactant/) - [Suture (cranial) (Skeletal System)](https://anatomyfyi.com/glossary/cranial-suture/) - [Synapse (Neuroanatomy)](https://anatomyfyi.com/glossary/synapse/) - [Synergist (Muscular System)](https://anatomyfyi.com/glossary/synergist/) - [Synovial Fluid (Musculoskeletal)](https://anatomyfyi.com/glossary/synovial-fluid/) - [Synovial Membrane (Musculoskeletal)](https://anatomyfyi.com/glossary/synovial-membrane/) - [Systole (Cardiovascular)](https://anatomyfyi.com/glossary/systole/) - [Taeniae Coli (Digestive System)](https://anatomyfyi.com/glossary/taeniae-coli/) - [Target Cell (Endocrine System)](https://anatomyfyi.com/glossary/target-cell/) - [Tendon (Musculoskeletal)](https://anatomyfyi.com/glossary/tendon/) - [Thalamus (Neuroanatomy)](https://anatomyfyi.com/glossary/thalamus/) - [Thrombosis (Clinical)](https://anatomyfyi.com/glossary/thrombosis/) - [Thymus (Endocrine System)](https://anatomyfyi.com/glossary/thymus/) - [Thyroid Gland (Endocrine System)](https://anatomyfyi.com/glossary/thyroid-gland/) - [Tidal Volume (Respiratory System)](https://anatomyfyi.com/glossary/tidal-volume/) - [Trachea (Respiratory System)](https://anatomyfyi.com/glossary/trachea/) - [Transitional Epithelium (Histology)](https://anatomyfyi.com/glossary/transitional-epithelium/) - [Transverse Plane (General Anatomy)](https://anatomyfyi.com/glossary/transverse-plane/) - [Trochanter (Skeletal System)](https://anatomyfyi.com/glossary/trochanter/) - [Trophoblast (Developmental Anatomy)](https://anatomyfyi.com/glossary/trophoblast/) - [Tuberosity (Skeletal System)](https://anatomyfyi.com/glossary/tuberosity/) - [Tunica Adventitia (Cardiovascular)](https://anatomyfyi.com/glossary/tunica-adventitia/) - [Tunica Intima (Cardiovascular)](https://anatomyfyi.com/glossary/tunica-intima/) - [Tunica Media (Cardiovascular)](https://anatomyfyi.com/glossary/tunica-media/) - [Valve (cardiac) (Cardiovascular)](https://anatomyfyi.com/glossary/cardiac-valve/) - [Ventilation (Respiratory System)](https://anatomyfyi.com/glossary/ventilation/) - [Ventral (General Anatomy)](https://anatomyfyi.com/glossary/ventral/) - [Ventricle (Cardiovascular)](https://anatomyfyi.com/glossary/ventricle/) - [Villi (Digestive System)](https://anatomyfyi.com/glossary/villi/) - [Vital Capacity (Respiratory System)](https://anatomyfyi.com/glossary/vital-capacity/) - [Volkmann's Canal (Skeletal System)](https://anatomyfyi.com/glossary/volkmanns-canal/) ## Full Index - [XML Sitemap](https://anatomyfyi.com/sitemap.xml)