Ureter (histological slide)

The ureter is a muscular tube that carries urine from the renal pelvis to the bladder.
 * Tunica mucosa

It consists of a transitional epithelium (usually a few cuboidal cells, the surface cells are umbrella-shaped) and lamina propria, made up of sparse collagenous tissue (dense).


 * Tunica muscularis

It consists of two layers of smooth muscle: internal logitudinal, external circular. A third longitudinal layer occurs in the caudal third of the ureter.

Tunica adventitia

Made up of sparse collagen tissue with blood vessels and nerves.

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