histology- urinary system

renal pelvis, ureters, bladder

in what parts of the urinary system do you find transitional epithelium?

parenchymal

are the kidneys parenchymal or tubular?

yes

do the kidneys have an external capsule?

medulla

what is M?

cortex

what is C?

renal pelvis

what is P?

cortex

histologically, what is the darkest part of the kidney?

medulla

macroscopically, what is the darkest part of the kidney?

collecting duct

which part of the nephron has the widest lumen?

cuboidal

the PCT and DCT of the nephron have _____ epithelial cells

columnar

what type of epithelial cells can you see in the collecting duct?

squamous

the loop of henle has ______ epithelial cells

loop of henle

what part of the nephron has the smallest lumen?

only cortex

which part of the kidney do you find renal corpuscles in- cortex or medulla?

both cortex and medulla

which part of the kidney do you find tubules in- cortex or medulla?

only medulla

which part of the kidney do you find loop of henle in- cortex or medulla?

all parts of the tubules

in the medulla, what parts of the nephron can you find?

renal corpuscle, parts of the renal tubules

in the cortex, what parts of the nephron can you find?

white

what color does urine appear histologically?

capillaries

the glomerulus is composed of_____

glomerulus+bowmans capsule

what are these?

RBCs, because the glomerulus is a capillary network

what are the cells inside the glomerulus?

renal tubules, mostly PCT and DCT

what fills all the space other than the bowmans capsules+ glomerulus?

the space surrounding the glomerulus

what is the bowman's capsule?

star shaped cells in the urinary space

what are podocytes?

1. endothelium

2 basal lamina

3. membrane

what are the 3 layers of the walls of the glomerular capillaries?

cuboidal epithelial cells

brush border- microvilli

after glomerular filtration, cells enter into the PCT. describe its histological appearance

PCT-

cuboidal epithelium

brush border (microvilli)

what are these?

squamous epithelium

how does the loop of henle appear histologically?

loop of henle- squamous epithelium

what is this part of the nephron?

loop of henle- squamous epithelium

what is this part of the nephron?

they both have cuboidal epithelium, but the PCT has a brush border (microvilli), and the DCT does not

what is the morphological difference between the PCT and DCT?

DCT-

cuboidal epithelium

no brush border

what are these?

transitional

the renal pelvis has what type of epithelium?

there are mucus glands

what is different about the renal pelvis of a horse?

they have a higher lipid content

what is different about the urine about cats and dogs?

medulla- only tubules

is this the cortex or medulla?

cortex- glomerulus and tubules

is this the cortex or medulla?

ureter

what is this?

transitional

what type of epithelium do the ureters have?

3

how many muscle layers compose the ureters?

adipose

the ureter is surrounded by what type of tissue?

adipose

what is the white tissue surrounding the ureter?

bladder

which has thicker muscular layer- ureter or bladder?

transitional

what type of epithelium do you find in the bladder?

there is no muscularis of the mucosa

what is unique about the bladder of a cat?

bladder

what is this?

muscularis mucosa

what is this this pink layer?

cat (this is the muscularis mucosa)

because this bladder has this layer, what species can it NOT be?