Male Reproduction Flashcards
(15 cards)
What is cryptorchism?
When one or both testes fail to descend into the scrotum.
What is a freemartin?
A freemartin has female external genitalia but will have a high degree of masculinization of the internal genitalia.
Mostly seen in cows when a female calf is twinned to a male calf.
Which hormone is produced by Leydig’s cells or interstitial cells?
Testosterone.
What are the functions of testosterone?
Maintains libido (sex drive) and may enhance aggressive behavior.
Induces male secondary sex characteristics.
Induces and maintains the functioning of male accessory sex glands.
Which hormone is produced by Sertoli cells?
Estrogen.
What is spermatogenesis?
The process of the formation of spermatozoa in the testes.
What is the effect of FSH hormone on the testes?
FSH acts on the seminiferous tubules and helps in spermatogenesis.
What is capacitation?
Changes in sperm morphology in the female reproductive tract.
Which hormone is responsible for maintaining secondary sex characteristics and libido in males?
Testosterone.
Where does the maturation and storage of sperm occur in the reproductive tract?
The epididymis.
How many spermatozoa are produced from each spermatocyte?
4
Which hormone is produced by Sertoli cells?
Estrogen.
Name the only accessory sex gland present in dogs.
The prostate.
What is the most common tumor of the testis in cryptorchid dogs?
Sertoli cell tumor.
What is the function of the LH hormone in male animals?
LH acts on Leydig’s cells and stimulates them to produce testosterone.
