Physiology - male and female Flashcards
Physiology
Science that explains how living things or body parts function
Reproduction
Process by which off-springs created
Reproductive physiology
how human reproductive system functions
Name the 2 gonadotrophins
FHS and LH
steroid hormones
estrogen (estradiol, estrone, estriol), progesterone, testosterone
What days does oestrogen positively feedback on pituitary and hypothalamus? why?
day 12-14
LH surge for ovulation
2 phases of ovarian cycle and explain their names
follicular - FSH stimulating growth of follicle
luteal - CL produced secreting progesterone
What does the developing follicle secrete?
oestrogen
2 phases of menstrual cycle
proliferative
secretory
Explain the 2 phases of menstrual cycle
p - oestrogen proliferating endometrium
s - progesterone - blood vessels in endometrium
oogonium
stem cells in ovaries
When is mitotic division completed in females?
at birth
What is a polar body?
extra genetic information released after meiosis
When is the second meiotic division complete?
fertilised by sperm
What do Sertoli cells produce?
inhibin
What cells produce testosterone?
Leydig cells
Problems with hormonal control affecting oogenesis/spermatogenesis
tumours-genetic-meds-functional
Problems at site of production affecting oogenesis/spermatogenesis
genetic - cancer treatment - surgery - trauma - infection