Findings

Again at high magnification, the bladder mucosa is shown but this time in an extremely distended state. Note the blood vessel in the lamina propria between the transitional epithelium and muscularis.

Comment

When the bladder is distended, cells of the transitional epithelium are extremely flattened and appear squamous.

Preparation

Paraffin section, hematoxylin and eosin

View

High-power light microscopy

Specimen

Urinary bladder

Image Credit

V. Eroschenko, Ph.D.
Department of Biological Sciences
WAMI Medical Program
University of Idaho