lecture 4 Flashcards
1
Q
What cells does Aldosterone act on?
A
principle cells which are present in the distal nephron and determines the amount of sodium that leaves the body
2
Q
What is the name of the channel which allows sodium to enter principle cells of the epithelium?
A
ENaC
3
Q
What receptor on principle cells does aldosterone bind to?
A
Mineralocorticoid receptor
4
Q
How do principle cells regulate potassium levels in the blood?
A
When sodium levels of the cell increases it is followed by drop in potassium levels in principle cells. A sodium potassium pump ensures that potassium is being removed from the blood and is added to urine while sodium is retained from the urine.
5
Q
25:33
A
25:33