Sperm Production and Semen Collection Crossword Flashcards
The third and final stage of spermatogenesis
Differentiation
The process of differentiation of the spherical undifferentiated spermatid to a fully differentiated spermatozoon during the final stages of spermatogenesis
Spermatogenesis
Commonly used abbreviation for a computerised method for the analysis of sperm motility
CASA
Cells present in the testicular interstitial tissue, whose main function is to produce testosterone. Named after the German zoologist who discovered them
Lydia
Abbreviation for the device used for semen collection in the bull, ram and stallion
AV
An undifferentiated male germ cell. Will eventually form a spermatozoon
Spermatogonium
Testosterone production in testicular Leydig cells is controlled by this hormone
Luteinizing
The part of the brain that secretes Gonadotropin- releasing hormone (GnRH)
Hypothalamus
The process of cell division during spermatogenesis
Spermatocytogenesis
A method of semen collection used for prepubertal animals or when an animal cannot be trained to use an artificial vagina
Electroejaculation
Through its action on Sertoli cells, spermatogenesis is controlled by this hormone
Folliclestimulating hormone
Also known as sustentacular cells and located in the seminiferous tubules in the testes, these cells provide physical, nutritional, and regulatory support for developing sperm cells. Named after the Italian physician who discovered then in 1865
Sertoli
Collective term for a hormone that stimulates either the ovaries, testes or both
Gnoadotropin
The second of the three stages of spermatogenesis, lasting 23 days in the bull and resulting in haploid spermatids
Meiosis
The first of the three stages of spermatogenesis, lasting 21 days in the bull
Proliferation
