tendon

sinew

Dense regular connective tissue that connects muscle to bone[VSAO].

Typ Bone
Körpersystem Muscular
Lateinischer Name sinew
FMA ID 9721

Unterstrukturen

central tendon of diaphragm Muscle perineal body Muscle vinculum tendon of wing Tendon infraspinatus tendon Muscle tendon of semitendinosus Tendon future central tendon Tendon vinculum of tendon Muscle

Häufig gestellte Fragen

How does tendon structure enable force transmission?
Tendons are composed of dense regular connective tissue — tightly packed parallel collagen fibers (predominantly type I collagen) aligned along the axis of tension. This arrangement gives tendons exceptional tensile strength while minimizing bulk. The collagen fibers are organized into primary, secondary, and tertiary fiber bundles surrounded by loose connective tissue (endotenon and epitenon) that carries blood vessels and nerves.
How do tendons differ from ligaments?
Both tendons and ligaments are dense regular connective tissues rich in collagen, but they connect different structures: tendons connect muscles to bones, while ligaments connect bone to bone. Tendons generally have higher collagen density and less elastin, reflecting their role in transmitting strong unidirectional muscle forces. Ligaments contain more elastin, allowing slight stretching to accommodate joint movement.
Why do tendons heal slowly after injury?
Tendons have a relatively poor blood supply compared to muscle, which limits the delivery of oxygen, nutrients, and inflammatory cells needed for repair. The healing process progresses through three phases — inflammatory, proliferative, and remodeling — and can take months to years. The newly formed scar tissue has disorganized collagen that is mechanically inferior to native tendon, increasing re-injury risk without proper rehabilitation.

Verwandte Strukturen

muscle head caput (musculus) muscle tissue muscular tissue musculature muscle group iliopsoas Hyrtl's muscle orbital septum septum orbitale pes anserinus of tibia pes anserine Pectoralis major Musculus pectoralis major muscle belly belly

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This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.