URINARY SYSTEM

Dr Iram Tassaduq

KIDNEY

URETER

URINARY BLADDER

URETHRA

HISTOLOGY OF URETER

FUNCTIONS

elimination of foreign substances regulation of the amount of water in the body control of the concentration of most

compounds in the extracellular fluid

LAYERS OF URETER

MUCOSA

Comprised of Epithelium Lamina propria

MUSCULARIS

ADVENTITIA

HISTOLOGY OF URINARY BLADDER

URINARY BLADDER

Mucosa - transitional epithelium • provides osmotic barrier Lamina propria Muscularis – smooth muscle • inner longitudinal • middle circular(internal urethral

sphincter) • outer longitudinal

MUCOSA

MUSCULARIS

URETHRA