Where does pee come from?. Rachel Boggus Boggusrl@email.uc.edu. The Kidney. Pretty kidney But of course you need to know more about it than this. The kidney in detail. Why does the cortex have a granular appearance? Why does the medulla have a striated appearance?. The kidney in detail.
*** If people are confused, REABSORPTION is from the pee tube into the interstitium, SECRETION is from interstitium to the pee tube ***
Also on the opposite side is a vascular pole (EA AND AA)
MEDULLA = renal pyramids + papilla = thick tubes, thin tubes, collecting ducts
NO BRUSH BORDER
NICE BRUSH BORDER
Here are some longitudinal cuts of pale collecting tubules. Epithelium of collecting tubules is regular, block-like, simple cuboidal, with clear cell walls. Other tubules in the field are thick and thin limbs of loops of Henle.
Ascending thick limb
So this is the lowermost part of the medulla, right????
You know this, you do
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