Final: Male Reproductive Physiology Flashcards
What is the order of spermatogenesis?
Spermatogonia–>Primary spermatocyte–>Secondary spermatocyte–>Spermatid–>Mature sperm
What forms estrogens from testosterone & nurses the process of spermatogenesis and spermiogenesis?
Sertoli cells
What vesicles contain hyaluronidase & proteolytic enzymes?
Proacrosomal vesicles
The sloughed off, excess cytoplasm of spermiogenesis is termed the _____.
Residual body
What cells are found in the interstitial spaces in the testes?
Cells of Leydig
What are cells of leydig stimulated by and where is that secreted from?
LH
Anterior pituitary
What percentage of the total volume of semen comes from the seminal vesicles?
60%
What may cause retro-peristaltic contractions of uterus and fallopian tubes to make the cervix more receptive to sperm movement?
Prostaglandins
What percentage of total volume of semen comes from the prostate gland?
30%
T/F: The fluid from the prostate gland is slightly acidic.
False, slightly alkaline
What is the term for any steroid hormone that has masculinizing effects?
Androgen
97% of testosterone is loosely bound with _____ or tightly bound with _____ _____.
Albumin
Beta Globulin
What happens to testosterone that is not fixed in tissues?
Excreted into gut via bile or urine via kidneys
Releasing hormones are produced by the _____, sent to the _____ _____, & cause stimulation of _____ and _____ from the _____ _____.
Hypothalamus.
Anterior Pituitary
LH and FSH
Anterior Pituitary
What causes Leydig cells to secrete testosterone?
LH
