blended - gametogenesis Flashcards
where does spermatogenesis take place
seminiferous tubules
when does spermatogenesis begin
puberty
what are sertoli cells
provide nutrients to spermatozoa
what are the 3 parts of a sperm cell
head
midpiece
tail
what is the function of the head of the sperm cell
acrosome contains enzymes which break through (corona radiata and zona pellucida surrounding) the secondary oocyte
what is the function of the midpiece of the sperm cell
packed with mitochondria
ATP is produced to allow sperm to move
what is the function of the tail of the sperm cell
long flagellum that pushes the sperm forward.
how are female gametes produced
oogenesis
where does oogenesis occur
follicles
what are follicles
fluid-filled spaces that provide protection and nutrition
what does a primary follicle contain
primary oocyte
what allows primary follicle to mature
FSH hormone increase
(follicle stimulating hormone)
what do secondary follicles develop from
primary follicles
what happens as each secondary follicle matures
becomes fluid-filled (called the antrum) becomes surrounded by corona radiata
what is a fully matured secondary follicle called
graafian follicle
when is a graafian follicle formed
when secondary oocyte is ready to be released at ovulation
