serous membrane


: a thin membrane (such as the peritoneum) with cells that secrete a serous fluid
especially : serosa

Word History

First Known Use

1813, in the meaning defined above

Time Traveler
The first known use of serous membrane was in 1813

Dictionary Entries Near serous membrane

Cite this Entry

“Serous membrane.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2023.

Kids Definition

serous membrane

se·​rous membrane
: a thin membrane (as the peritoneum) with cells that secrete a watery fluid

Medical Definition

serous membrane

: any of various thin membranes (as the peritoneum, pericardium, or pleurae) that consist of a single layer of thin flat mesothelial cells resting on a connective-tissue stroma, secrete a serous fluid, and usually line bodily cavities or enclose the organs contained in such cavities compare mucous membrane
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