Stallion Anatomy Flashcards
What does the glans penis (rose) contain?
The exit of the urethra, often contains smegma
What does the urethra run from and what does it connect?
Runs from the bladder and connect the vas deferens
What is the fluid fraction of the semen?
Seminal plasma
What does seminal plasma ensure?
Maturation of the sperm in the mare
How many accessory glands are there?
4
Name the accessory glands?
Bulbourethral/cowpers
Prostate
Seminal vesicles/vesicular glands
Ampulla glands
What is the bulbourethral/cowpers?
An accessory gland
clear watery secretion
main sperm fraction
lubricant
What is the prostate?
An accessory gland
Alkaline
high protein
pre-sperm fraction
What is the seminal vesicle?
An accessory gland
size varies in season
significant component of seminal plasma
responsive to testosterone
What is the ampulla gland?
An accessory gland
contribute to pre-sperm
high in ergothionine (antioxidant)
What is the epididymis?
Long convoluted table lying over the testis. Towards the tail ducts merge to form vas defers
What is the vas deferens?
Connects epididymis to urethra
Thick muscular wall of 3 layers
enables sperm storage
How long does sperm spend in epididymis?
9 days
What do sertoli cells do?
Nurse cells that aid development of spermatozoa
What do leydig cells do?
They secrete hormones for sperm production and male behavioural traits
