Renal System Flashcards
role of kidney and location
urine formation = 130g
abdomino pelvic cavity - posterior - prtected by ribs
right kidney is lower due to liver
role of ureter
transitional epiltheium
urine passage way
role of urinary bladder
urine storage
urethra role
urine passage way
functions of the renal system
excretion regulated blood volume and pressure solute concentration in blood extracellular ph RBC synthesis vit D
in the kidney
functions of major and minor calyces
renal pelvis and pyramids
calyces = filtrate collects
R pelvis = enlarges chamber formed by major calyses
R pyramids = cone shaped boundary between medulla and context
role of proximal convoluted tubule
reabsorption of filtrate
needed substances back to the pertitubular capillaries
active NA K Cl through basal membrane
role of glomerus
filters blood and fluid
contains bower mans capsule = filtration membarne
parietal = simple squamus
visceral =
Role of loop of henle
reabsorption of water
water amount controled bvy ADH (antdiretichormones)
inhibited by caffine and alcohol
role of Distal convoluted tubule
secretionof large molecules
simple cuboidal
ammonia H K active
role of collecting duct
simple cuboidal
= ureter
urine produced
urine contains
urea/uric acid/ amonia / creatin / bile pigments / H+ / K+
penicilin / morphne if ingested
what is tubular reabsorption
return of water, small molecule and ions to the blood
across wall of nephron
occurs as filtrate flows through the lumens of renal tubes
what is tubular secretion
movement of non-filtered substances , toxic products of metabolism
molecules that aren’t produced by the body
H K penecillin actively secreted into nephron
urine movement
moves by peristalsis
micturition reflex = need to pee
bladder capacity = 1L
