Histology

Question 1

Endothelium in PCT

Answer 1

Simple cuboidal

Brush border

Question 2

Endothelium in thin LOH

Answer 2

Simple squamous

Question 3

Endothelium in thick ascending LOH

Answer 3

Simple cuboidal

Question 4

Endothelium in DCT

Answer 4

Simple cuboidal

No brush border

Question 5

Medullary rays

Answer 5

Collecting tubules and CDs in bundles running perpendicular to surface

Question 6

Endothelium in CD

Answer 6

Simple cuboidal

Question 7

Which part is sensitive to ADH

Answer 7

CD

Question 8

JGA

Answer 8

Part of DCT that contacts its own glomerulus

Macula densa + JG cells + Extraglomerular mesangial cells

Question 9

Macula densa

Answer 9

In DCT near afferent arteriole
Taller, intesnsely stained
Sense ion composition in DCT

Question 10

JG cells

Answer 10

Smooth muscle cells in afferent arteriole

Secrete renin

Question 11

Extraglomerular mesangial cells

Answer 11

Outside corpuscle, function unknown

Question 12

Lining of collecting parts

Answer 12

Urothelium

Umbrella cells

Question 13

Endothelium in female urethra

Answer 13

Urothelium then stratified squamous

Question 14

Endothelium in male urethra

Answer 14

Transitional
Membranous urethra: stratified columnar
Spongy urethra: stratified columnar and squamous

Question 15

Composition of prostate

Answer 15

Tubulo-alveolar glands lined by simple columnar secretory epithelium, fibromuscular stroma