Male Fertility Flashcards
Where does spermatogenesis occur in the male?
In the seminiferous tubules in the testis
Where is testosterone produced in the male?
In the Leydig cells within the testes
Which hormones stimulate spermatogeneis?
FSH and testosterone
Which hormones do the sertoli cells produce and where are they found?
Secrete androgen binding globulin (ABG) and inhibin.
Found in the seminiferous tubules
What function does LH have within the male?
stimulates testosterone secretion
What effect does testosterone have on the hypothalamus and the pituitary?
Decreases the release of LH and GnRH
What role does GnRH have in the male reproductive system?
Stimulates the anterior pituitary to produce LH and FSH
Which part of the oocyte does the sperm bind to during fertilisation?
The zona pellucida
What happens to the sperm in the epididymis and the vas deferens?
The sperm is concentrated and can be stored. It is a site for sperm maturation
What is the function of the seminal vesicles?
Produce semen into the ejaculatory duct
Supply fructose - to nourish the sperm
Secrete prostaglandins - stimulates motility
secretes fibrinogen - clot precursor
What is the function of the bulbourethral glands in the male?
Secretes mucus to act as a lubricant
How does an erection occur?
Blood fills the corpora cavernosa within the penis
