Retroperitoneal organs have a serosa facing the peritoneal cavity and a(n) ________ on the posterior side embedded in the abdominal wall.
A) mesothelium
B) adventitia
C) muscularis externa
D) vasa vasorum
E) caveolae

Question

Quizplus · Accepted Answer

Retroperitoneal organs lie outside of the peritoneal cavity and have an adventitia on their posterior side, which is a connective tissue layer that anchors the organ to the abdominal wall. The serosa, which is a part of the visceral peritoneum, only covers organs that lie within the peritoneal cavity. Choices A, C, D, and E are not relevant to the description of retroperitoneal organs.

Retroperitoneal Organs Have a Serosa Facing the Peritoneal Cavity and A(n)