regulation of GFR

Question 1

what is the filtration membrane

Answer 1

three aspects
1. the fenestration of glomerular endothelial cells they prevent filtration of blood cells, allows all components of blood plasma to pass through
2.basement membranes of glomerulus. this prevents filtration of larger proteins.
3.slit membrane between pedicals prevents filtration of medium sized proteins

Question 2

what are the parts of the glomerulus and Bowmans capsule responsible for blood filtration

Answer 2

capillaries ,podocytes, mesengial cells, bulk flow

Question 3

what is glomeralur flow rate

Answer 3

180lL/day 1 percent is excreted

Question 4

what is use of capillary in gfr

Answer 4

hydrostatic pressure , colloidal

Question 5

use of capsule pressure in gfr

Answer 5

back pressure, net filtration

Question 6

steps of gfr

Answer 6

plasma volumes enters afferent arteriole ,100% of it .
20% of it is filtered
19% of this fluid is reabsorbed
<1% is excreted into external environment