peritoneum

noun peri·to·ne·um \ ˌper-ə-tə-ˈnē-əm \

Definition of peritoneum

plural peritoneums play \ˌper-ə-tə-ˈnē-əmz\ or -nea play \ˌper-ə-tə-ˈnē-ə\
:the smooth transparent serous membrane that lines the cavity of the abdomen of a mammal and is folded inward over the abdominal and pelvic viscera

peritoneal

play \ˌper-ə-tə-ˈnē-əl\ adjective

peritoneally

play \ˌper-ə-tə-ˈnē-ə-lē\ adverb

Origin and Etymology of peritoneum

Middle English, from Late Latin, from Greek peritonaion, neuter of peritonaios stretched around, from peri- + teinein to stretch — more at thin


Medical Dictionary

peritoneum

noun peri·to·ne·um
variants: or chiefly British peritonaeum play \ˌper-ət-ᵊn-ˈē-əm\

medical Definition of peritoneum

plural peritoneums or chiefly British -naeums play \-ˈē-əmz\ or -nea or chiefly British peritonaea play \-ˈē-ə\
:the smooth transparent serous membrane that lines the cavity of the abdomen of a mammal, is folded inward over the abdominal and pelvic viscera, and consists of an outer layer closely adherent to the walls of the abdomen and an inner layer that folds to invest the viscera — see parietal peritoneum, visceral peritoneum — compare mesentery 1

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