. | 1. | Embryology, Zoology.
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| 2. | serous membrane. |
| any of various thin membranes, as the peritoneum, that line certain cavities of the body and exude a serous fluid. |
serosa se·ro·sa (sĭ-rō'sə, -zə)
n. pl. se·ro·sas or se·ro·sae (-sē, -zē)
See serous membrane.
The chorion of a bird or reptile embryo.
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.