peritoneum (redirected from peritonaeum)

peritoneum /peri·to·ne·um/ (-to-ne´um) the serous membrane lining the walls of the abdominal and pelvic cavities (parietal p.) and investing the contained viscera (visceral p.), the two layers enclosing a potential space, the peritoneal cavity.peritone´al

Course of the peritoneum (gray) in a median sagittal section of a female.

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per·i·to·ne·um or per·i·to·nae·um (pr-tn-m)

n. pl. per·i·to·ne·a or per·i·to·nae·a (-tn-)

The serous sac consisting of mesothelium and a thin layer of irregular connective tissue that lines the abdominal cavity, covers most of the viscera contained therein, and itself forms two cavities, the peritoneal and the omental bursa, which are connected by the epiploic foramen.

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peri·to·neal adj.

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Peritoneum

The transparent membrane lining the abdominal cavity that holds organs such as the intestines in place.

Mentioned in: Adhesions, Dialysis, Kidney, Hernia Repair, Peritonitis

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peritoneum

[per′itənē′əm]

Etymology: Gk, peri + teinein, to stretch

an extensive serous membrane that lines the entire abdominal wall of the body and is reflected over the contained viscera. It is divided into the parietal peritoneum and the visceral peritoneum. In men the peritoneum is a closed membranous sac. In women it is perforated by the free ends of the uterine tubes. The free surface of the peritoneum is smooth mesothelium, lubricated by serous fluid that permits the viscera to glide easily against the abdominal wall and against one another. The mesentery of the peritoneum fans out from the main membrane to suspend the small intestine. Other parts of the peritoneum are the transverse mesocolon, the greater omentum, and the lesser omentum. peritoneal, adj.

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peritoneum [per″ĭ-to-ne´um]

the serous membrane lining the walls of the abdominal and pelvic cavities (parietal peritoneum) and investing contained viscera (visceral peritoneum), the two layers enclosing a potential space, the peritoneal cavity.

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peritoneum

the serous membrane lining the walls of the abdominal and pelvic cavities (parietal peritoneum) and investing contained viscera (visceral peritoneum), the two layers enclosing a potential space, the peritoneal cavity. The diseases which are important in the peritoneum of animals are peritonitis, including a special group of rectal tear, retroperitoneal abscess, lipomatosis, neoplasia, ascites and peritoneal effusion.