noun, Anatomy, Zoology.
any of various thin membranes, as the peritoneum, that line certain cavities of the body and exude a serous fluid.
any of the smooth moist delicate membranes, such as the pleura or peritoneum, that line the closed cavities of the body and secrete a watery exudate
serous membrane n.
A thin, two-part membrane that secretes a serous fluid and lines a closed body cavity, covering the organs that lie within that cavity. Also called serosa, serous tunic.
- Serous meningitis
serous meningitis n. Acute meningitis with secondary external hydrocephalus.
- Serous otitis
serous otitis n. See secretory otitis media.
- Serous pleurisy
serous pleurisy n. See pleurisy with effusion.
- Serous synovitis
serous synovitis n. Synovitis with a large effusion of nonpurulent fluid.