Urinary System Flashcards
urination
eliminates waste products that accumulate as a result of cellular metabolism
functions of urinary system
excretion of waste to maintain volume and chemical composition of blood
functions of kidneys
- maintain appropriate blood volume by varying the excretion of water in the urine
- maintain chemical composition of blood by selecting certain chemicals to excrete
- maintain blood pH
- excrete waste products of protein metabolism
- regulation of blood pressure
- stimulation of erythrocyte (RBC) production by secreting erythropoietin
urea
final product of protein metabolism and major nitrogenous waste product in urine
urology
branch of medicine concerned with male genital tract and urinary tracts of both genders
- urologist = specialist
albumin/o
albumin
-ation
process
-esis
action, process, or result of
glycos/o
sugar
olig/o
few, scanty
ur/o
urine or urinary tract
urin/o
urine
-uria
urine or urination
components of urinary tract
kidneys, ureters, bladder, urethra
cyst/o
bladder (sometimes cyst or sac)
glomerul/o
glomerulus (filtering structure for the kidney)
nephr/o
kidney
ren/o
kidney
pyel/o
renal pelvis (reservoir in kidney that collects urine)
ureter/o
ureter
urethr/o
urethra
cystic
pertaining to:
- a cyst
- gallbladder
- urinary bladder
nephron
functional unit of kidney; each kidney contains 1 million
tubules
tubular sections of the nephron; reabsorption of water, electrolytes, and other substances occurs across the tubule walls into the blood capillaries