Serous membrane - Definition


A serous membrane is one that secretes a fluid closely resembling blood serum. These membranes play a role in protecting and lining, containing a virtual cavity in their center that consists of a fine layer of serous fluid. Serous membranes are made up of two layers: a connective tissue layer that adheres to organs, and an epithelial layer on the side of the cavity wall. The serous fluid secreted by these membranes allows for each membrane to slide over the other. These membranes are classified depending on where they are located in the body, for example the pleura is the membrane of the lungs, the pericardium is that of the heart, and the peritoneum in the digestive system.
Original article published by Jeff. Translated by Jeff. Latest update on November 12, 2013 at 04:06 AM by Jeff.
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