with All Solved Solutions 2026-2027
Edition.
Spermatogenesis - Answer The production of sperm cells
Sperm - Answer Males produce and maintain supply of ________________.
Females in estrus - Answer Males need to be able to detect _________________ ________
_________________ by using pheromones and visual cues.
Inseminate females; female gamete - Answer Another one of the overall functions of the male
is to _____________________ _______________ and fertilize the ________________
_____________________.
Spermatic Cord - Answer Contains vas deferens, pampiniform plexus, and external cremaster
muscle nerves
Vas Deferens - Answer Transport sperm during ejaculation
Seminiferous Tubule - Answer Sperm producing cells- true germinal epithelium
Testes - Answer In which part of the male reproduction system is functionality key?
Corpus Epididymis - Answer Where does the maturation of spermatozoa occur?
Cauda Epididymis - Answer Where does the final maturation and storage of sperm take place?
Only sperm capable of fertilization
Tunica Albuginea - Answer Connective tissue which holds testis together
Caput Epididymis - Answer Function in maturation of spermatozoa, fluid absorption
Sertoli Cells - Answer What are the cells that support spermatogenesis?
Leydig Cells - Answer Cells that synthesize testosterone
, 1) Produce sperm (spermatogenesis)
2) Transport sperm out of the testes
3) Produce testosterone - Answer What are the 3 main functions of the testes?
1) Stimulate secondary sex characteristics
2) Maintain libido
3) Maintain function of male reproductive tract - Answer What are the 3 functions of
testosterone?
3-5 C less than body temperature - Answer At what temperature is required for
spermatogenesis to occur?
Outside away from the body
Air circulation - Answer Where is the scrotum located and what does this location help with?
Thin skin, low subcutaneous fat or hair - Answer What are the factors of low insulation in the
scrotum?
To cool it by evaporation - Answer What is the purpose of sweat glands on the scrotum?
Tunica Dartos - Answer Smooth muscle that lines the scrotal wall
Pampiniform Plexus - Answer A single artery surrounded by a network of veins (increased
surface area) that helps with counter-current heat exchange to cool arterial blood supply.
Counter-current - Answer __________________-________________ heat exchange causes a
cooling of arterial blood supply.
Cryptorchidism - Answer Lack of testis descent into scrotum and thus thermoregulation is
absent
Bilateral - Answer Sterile, no spermatogenesis, testosterone produced
Unilateral - Answer Fertile, reduce sperm producing capacity
300 days - Answer What is the time of testicular descent for a stallion?