serous membrane

serosa

Multi-tissue structure that is comprised of a secretory epithelial layer (mesothelium) and a connective tissue layer.

Type Organ
Parent Structure multi-tissue structure
Latin Name serosa
FMA ID 9581

Sub-structures

gallbladder serosa Organ gastrointestinal system serosa Organ layer of synovial tissue Bone liver serosa Organ mesentery Nerve peritoneum Organ pleura Organ serosa of cloaca Organ serosa of esophagus Organ serosa of fallopian tube Organ serosa of infundibulum of uterine tube Organ serosa of urinary bladder Organ serosa of uterus Organ serous pericardium Organ

Frequently Asked Questions

What are the two layers of a serous membrane?
A serous membrane consists of two layers: the mesothelium — a single layer of flattened epithelial cells that secrete serous fluid — and an underlying connective tissue layer that provides structural support and anchors the membrane. Together, these layers form a smooth, moist surface that reduces friction between moving organs.
What are the main serous membranes in the human body?
The three principal serous membranes in the human body are: the pleura (lining the thoracic cavity and covering the lungs), the pericardium (enclosing the heart), and the peritoneum (lining the abdominal cavity and covering abdominal organs). Each forms a closed sac with parietal and visceral layers separated by a thin film of serous fluid.
What conditions affect serous membranes?
Serous membranes can become inflamed or develop excess fluid accumulation. Pleuritis (pleurisy) affects the pleura, pericarditis affects the pericardium, and peritonitis affects the peritoneum — each causing pain and potentially impairing organ function. Malignant mesothelioma is a cancer arising from mesothelial cells, often linked to asbestos exposure.

Related Structures

1st arch mandibular component ventral mandibular arch 1st arch mandibular ectoderm ectoderm of mandibular component 1st arch mandibular mesenchyme mandibular component mesenchyme 1st arch mandibular mesenchyme from head mesenchyme 1st arch mandibular mesenchyme from neural crest 1st arch maxillary component 1st arch maxillary ectoderm ectoderm of maxillary component 1st arch maxillary-mandibular cleft 1st arch maxillary-mandibular groove ectoderm

Medical Disclaimer

This content is for educational and informational purposes only. It is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.

Educational Disclaimer

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.