overall function of the urinary system
removes waste, regulates pH
specific functions
1. regulate the plasma concentrations of Na, K,Cl,Ca and other ions
by controlling the quantities lost in urine
2. Regulates blood volume and blood pressure
3. Helps stabilize blood pH4. Conserves nutrients by preventing
their excretion in the urine
5. Eliminates organic waste products
6. Stimulates calcium ion absorption by the intestinal epithelium
plasma is
liquid part of the blood
urine
is a waste product
Na,K,Cl,Ca are
electrolytes
kidneys -> ureter->urinary bladder-> urethra-> out the body
everything is collected by blood and out by urine
micturation
urge of process of voiding urine
"letting it go
males have
prostate
urethra transports semen
urinary bladder
storage
the hilum
is the entry point for the renal artery and renal nervesand the
exit point for the renal vein and ureter
hilum
Each kidney has an indentation on its medial surface
kidneys
Located lateral to the vertebral column between the last thoracic and
the 3rd lumbar vertebrae on each side
o Superior surface of the left kidney is higher than that of the
righto Covered by the digestive organso
Each kidney is capped by an adrenal glando Position of the kidney in
the abdominals is maintained by:
1. Overlying peritoneum
2. contact with adjacent visceral organs
3. Supporting connective tissue
kidney->gland->endocrine->adrenal gland-> superrenal gland
-
each kidney is protected by 3 concentric layers of CT
...