Changes

*The peritoneum evaginates to extend into the inguinal canals.

*The peritoneum evaginates to extend into the inguinal canals.

*Fat is often stored beneath the peritoneum.

*Fat is often stored beneath the peritoneum.

*Many species have lymphoid tissue aggregates and fixed phagocytes in the omentum that are not covered by mesothelial cells

*Many species have [[Lymphoreticular & Haematopoietic System - Anatomy & Physiology|lymphoid tissue]] aggregates and fixed phagocytes in the omentum that are not covered by mesothelial cells

*The peritoneum is smooth and clear in the healthy animal.

*The peritoneum is smooth and clear in the healthy animal.

*''NB: Post mortem change and autolysis result in increased volumes of red-brown fluid in the abdomen, not associated with other pathology, no roughening of surfaces of organs or peritoneum.''

*''NB: Post mortem change and autolysis result in increased volumes of red-brown fluid in the abdomen, not associated with other pathology, no roughening of surfaces of organs or peritoneum.''

*The peritoneal cavity is complete in the male, but a potential communication with the exterior exists in the female at the opening of the uterine tubes.  

*The peritoneal cavity is complete in the male, but a potential communication with the exterior exists in the female at the opening of the [[Female Reproductive Tract - The Oviduct - Anatomy & Physiology|oviduct]].  

===Peritoneal Fluid===

===Peritoneal Fluid===