gametes production + fertilisation Flashcards
what kind of cells produce gametes?
germline cell when undergoing meiosis
express which kind of division produces gametes
meiosis - produces haploid, x4 gamete cells
state the function of seminiferous tubules
- produces sperm
- lined with germline cells
- divides by mitosis + meiosis to produce sperm.
state the function of interstitial cells
- found between seminiferous tubules
- produces the hormone testosterone
state the functions of prostate gland and seminal vesicles
- activated by testosterone
- secretes fluids
- fluids are added to sperm to maintain mobility and viability
what does the prostate gland secrete and what’s it’s role
releases enzymes, maintains fluid consistency for efficient swimming
what does the seminal vesicles secrete and what’s it’s role
• fructose —> energy for sperm
• prostaglandins —> contracts female reproductive muscles, helps move the sperm cells.
state what is contained in the ovaries
- produces ova (egg cell) and hormones.
- hormones = oestrogen + progesterone.
- contains germline cells, develops immature ova.
describe the function of a follicle
- surrounds and protects ovum.
- follicle is responsible for secretion of oestrogen.
what does a follicle turn into and what’s its purpose.
- corpus luteum
- secretes progesterone
explain how a zygote is formed and where this takes place.
- due to ovulation.
- mature ovum is released from ovary.
- ovum to oviduct where it’s fertilised.
- forms a zygote