serous adjective. ['sɪǝrǝs] LME.
[French séreux or medieval Latin serosus, formed as SERUM: see -OUS.]
Anatomy & Medicine.
1. Of, pertaining to, or of the nature of serum; consisting of or containing serum. LME.
b. Of a disorder: characterized by the presence of serum. L18.

2. Secreting or moistened with serum. Chiefly in serous membrane below. M18.
serous membrane a smooth transparent membrane such as the peritoneum which lines a cavity of the body in a double layer lubricated by fluid; also called serosa.

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