What is the Innermost Tissue Layer of a Ureter

Question

What is the innermost tissue layer of a ureter?
A) connective tissue layer
B) mucous membrane
C) lamina propria
D) smooth muscle layer

Accepted Answer

The innermost tissue layer of a ureter is the mucous membrane, which is composed of epithelial cells that secrete mucus to aid the passage of urine. The lamina propria is a layer of connective tissue that lies beneath the mucous membrane, and the smooth muscle layer is the middle layer of the ureter. Therefore, choices A, C, and D are incorrect.