Ureter histology
- Adventitia.
- Muscularis layer
- Outer circular, which wraps around the diameter of the ureter
- Inner longitudinal, which runs the length of the ureter
- Mucosa
- Opens to the lumen of the ureter; the mucosal folds unfurl to increase the diameter of the lumen and accommodate urine.
- Outer layer of lamina propria
- Inner layer of transitional epithelium (aka, urothelium)