What are the functions of the kidney?
Acid base balance, Urine storage, Regulation of erythrocyte production, Blood volume regulation, Regulation of ion levels
dense irregular, anchors kidney to the posterior abdominal wall & peritoneum
Renal fascia
______ minor calyces, one for each renal papilla
8-15
Once tubular fluid exits the collecting duct, it's called
urine
Sequence the arterial blood flow through the kidney, beginning with the renal artery and ending at the efferent arteriole :
segmental, interlobar, arcuate, interlobular, afferent arteriole, glomerulus
Urine storage, how many liters?
1 liter
adipose connective, lies b/w renal fascia & the peritoneum
Paranephric fat
______ of blood supplies flows through kidneys
20-25%
Renal Corpuscle: enlarged, bulbous region of a nephron. Composed of 2 structures, what are they?
glomerulus & the glomerular capsule
Sequence blood flow through a nephron, beginning with the interlobular artery and ending at the interlobular vein:
interlobular artery, afferent arteriole, glomerulus, efferent arteriole, peritubular capillaries/vasa recta, interlobular vein
is the kidney retroperitoneal or intraperitoneal?
retroperitoneal
How many pyramids does a kidney have?
8-15
the proximal convoluted tubule, nephron loop, & distal convoluted tubule.
renal tubule
what is b/w the 2 layers of the visceral & parietal layer of the glomerular capsule?
a capsular space
When the blood plasma moves out of the glomerulus and into the glomerular capsule, it is now called ______.
filtrate
______ grams, ______ cm in length, ______ in width, ______ cm in thickness
100, 12, 6.5, 2.5
How many renal lobes?
8-15 renal lobes
Kidney houses how many nephrons?
2.5 million
The anterior surface of the kidneys are covered with ______ and the posterior surface lies directly against the posterior abdominal wall.
peritoneum
made of podocytes
Visceral layer of glomerular capsule
dense irregular connective, maintains shape of kidney, protects from trauma, prevents infectious pathogens from entering kidney
fibrous capsule
How many major calyces?
2-3 major calyces
Tubular reabsorption & tubular secretion move in the same direction.
false, they move in opposite directions
Blood flows from the renal artery to the ______ arteries in the area of the renal sinus.
for a substance in the blood to become part of the filtrate, must pass through these layers
filtration membrane (visceral layer, endothelium, basement membrane all of glomerulus)