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17 terms

the urinary system

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ureter
tube that carries urine from the kidney to the bladder
retroperitoneal space
the area behind the peritoneum that contains the ureters and the kidneys
urinary bladder
hollow, muscular sac that holds and stores urine.
adipose capsule
fatty tissue that protects and holds the kidney in place
urethra
Tube that carries urine from the bladder to outside the body
renal pelvis
a funnel-shaped basin that collect urine from collecting ducts
renal capsule
tough outer layer that surrounds the kidney
nephron
a tiny microscopic filtering unit inside the kidney
renal medulla
Inner region of the kidney
renal cortex
outer region of the kidney
renal vein
the blood vessel draining the kidney
collecting duct
the portion of the nephron receiving filtrate from the glomerular capsule
glomerulus
tiny ball of capillaries (microscopic blood vessels) in the kidney
afferent arteriole
blood vessel supplying a nephron
glomerular capsule
thin double membrane surrounding the glomerulus of a nephron
nephron loop
t he portion of the nephron that dips into the medulla
renal artery
The blood vessel bringing blood to the kidney.