urinary system Flashcards
loop of henle
part of nephron between distal and proximal convoluted tubes
renal pelvis
funnel shaped basin that forms the upper end of the ureter
filtration
movement of materials through a selectively permeable membrane under pressure
calyx
upper extension of the pelvis that collects urine
bowmans capsule
part of nephron where filtration of blood occurs
cystitis
another name for a urinary bladder infection
antidiuretic hormone
secreted by the pituitary gland to make the walls of the distal convoluted tubule more permeable to water
glomerulus
coil of capillaries in bowmans capsule where blood is filtered
160-180 liters
average amount of glomerular filtrate produced each day
urea
on of the main nitrogen waste material in urine
angiotensin
protein produced in response to renin which constricts blood vessels
acute glomerulonephritis
most common kidney disease, streptococcal kidney infection
cystoscope
instrument used to examine the urinary bladder
specific gravity
the amount of dissolved materials in a solution as compared to water
1-1.5 liters
average amount of urine produced everyday
aldosterone
hormone produced in adrenal cortex that promotes the reabsorption of sodium and water in the kidneys
urinary meatus
opening to the urinary system
polycystic kidney
abnormal cysts develop on the surface of the kidney
hydronephritis
distention of the renal pelvis and calyces due to the accumulation of fluid
pyelonephritis
inflammation of the renal pelvis