Comparative Kidney Anatomy

Question 1

List the 3 types of vertebrate kidneys

Answer 1

• Pronephros
• mesonephros
• metanephros

Question 2

T/F the three types of vertebrate kidneys are present in embryos

Answer 2

True

Question 3

Which type of kidney persists as the adult kidney ?

Answer 3

Metanephric

Question 4

Describe mammalian kidneys during development (appearance)

Answer 4

all are lobulated

Question 5

List the 3 comparative kidney structures

Answer 5

• unilobar/unipyramidal
• multilobar (fused cortex)/multipyramidal
• multilobar(externally lobated)/multipyramidal

Question 6

T/F only the left kidney in the horse is retroperitoneal

Answer 6

False, both kidneys are retroperitoneal

Question 7

Describe the kidneys’ internal structure in the horse

Answer 7

• renal crest
• terminal recesses
• renal pelvis
• ureter

Question 8

What structure of the equine kidneys collect urine from the poles of the kidney and are extensions of renal pelvis?

Answer 8

Terminal recess

Question 9

The fusion of papillae from renal lobes is the ______________

Answer 9

Renal crest

Question 10

T/F the left kidney in the ox is retroperitoneal

Answer 10

False, is pendulous

Question 11

Describe the kidney structure of the ox

Answer 11

Multipyramidal

Question 12

Describe the kidney structure of the equine

Answer 12

Unipyramidal

Question 13

At the apex of the pyramids of bovine kidneys, you can find the _____________, which project into the mio calyx

Answer 13

Renal papillae

Question 14

The principal branch of ureters are called _____________ in the bovine kidneys

Answer 14

Major calyces

Question 15

T/F bovine kidneys have a renal pelvis

Answer 15

False

Question 16

Describe kidney structure in a small ruminant

Answer 16

• unipyramidal/pseudopyramidal (smooth externally)

Question 17

Describe the external appearance of swine kidneys

Answer 17

Flattened and multipyramidal