Urogenital

Question 1

What is the function of Leydig cells? Where are they located?

Answer 1

Produce sex hormones

Located in interstitium

Question 2

What is the function of Sertoli cells? Where are they located?

Answer 2

Nourish germ cells

Located in seminiferous tubules with germ cells

Question 3

What is the US anatomical landmark of the testis?

Answer 3

Medistinum testis

Question 4

What is the course of the ductus deferens?

Answer 4

Diverges from vessels at the vaginal ring –> turns caudomedially –> pass under ureter –> penetrate prostate –> enters urethra caudal to the urethra origin at the bladder

Question 5

Normal diameter of umbilical arteries and veins in the foal

Answer 5

Arteries
- <12mm lateral to UB

Veins

• 5-10mm near umbilicus
• 4-9mm near xiphoid

Question 6

If the umbilical arteries - urachus (umbilical stump) is larger than ___, it is considered enlarged

Answer 6

25mm

Question 7

Normal diameter of umbilical arteries and veins in the calf

Answer 7

Arteries
- <15mm

Veins
- 10 to 25mm