Kidney + urinary tract histology Flashcards
(6 cards)
1
Q
What percentage of nephrons are cortical and what percentage are juxtaglomerular?
A
80% cortical
20% juxtaglomerular
2
Q
What are the 3 layers of the glomerular filtration barrier?
A
Glomerular capillary endothelium - fenestrated
Basement membrane - negatively charged
Podocytes (visceral layer of Bowman’s capsule)
3
Q
What are the 3 components of the juxtaglomerular apparatus?
A
Macula dense of the DCT
Juxtaglomerular cells of the afferent arteriole
Extraglomerular mesangial / Lacis cells
4
Q
Where is ADH secreted from?
A
Posterior pituitary gland
5
Q
Which cells secrete renin?
A
Juxtaglomerular cells of the afferent arteriole
6
Q
What are the 3 layers of the bladder wall?
A
Mucosa / transitional epithelium
Smooth muscle
Adventitia
