PERITONEUM

peritoneum

(noun) a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera

Source: WordNet® 3.1


Etymology

Noun

peritoneum (plural peritoneums or peritonea)

(anatomy) In mammals, the serous membrane lining the cavity of the abdomen and that is folded over the viscera.

(zoology) In animals, the membrane lining the coelom cavity.

Source: Wiktionary


Per`i*to*ne"um, n. Etym: [L. peritoneum, peritonaeum, Gr. (Anat.)

Definition: The smooth serous membrane which lines the cavity of the abdomen, or the whole body cavity when there is no diaphragm, and, turning back, surrounds the viscera, forming a closed, or nearly closed, sac. [Written also peritonæum.]

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

6 October 2024

DATELESS

(adjective) of such great duration as to preclude the possibility of being assigned a date; “dateless customs”


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