Urinary System
Organs Kidney Ureters Urinary Bladder Urethra
Functions of the Urinary System Regulation of internal environment composition Excretion of certain waste products
Kidney Capsule Cortex Medulla Pyramids Columns Calyces Pelvis
Functional Unit of Kidney: Nephron
http://www.physiology.wisc.edu/phys335/renal_4-4.swf
Ureter from the renal pelvis to the urinary bladder retroperitoneal lined with transitional epithelium longitudinal and circular smooth muscle layers
Urinary bladder lined with transitional epithelium lining thrown into rugae within bladder wall: the detrusor muscle trigone: funnels urine into urethra
Urethra from urinary bladder to outside lined with stratified epithelium
Path of Urine Flow
Urethral Sphincters Internal: smooth muscle External: skeletal muscle
Micturition