Puberty

F2 alpha and E2

WHat are the 2 type sof pprosteglandin

steroids

Androgens and estrogens are classified as

leutolysis

WHat is the releasing hormone called

liver

where are steroids metabolized

liver and kidney

WHere are proteins metabolized

hypothalmic neurons producing GnRH

WHat determines if gamateogeniss will be viable

alpha fetoprotein

What hormone blocks estradiol from reaching the blood brain barrier (female)

estrogen

WHat homrone defeminizes the male brain

true

Testosterone turns to estrogen when it reaches the blood brain barrier

estrodial

WHat hormone aids in the fomration of the surge center

no

IN the first ejaculation are sperm present

no

IN the first ovulation “silent” are egg present and can a pregnancy be sustainable

• threshold body size

• environment

WHat 2 things effect hypothalmic GnRH release in females

no

Can a short scrotum bull produce kids/ is sperm present

yes

can a positive and negative feedback exist together

no progesterone is present

THe first LH surge isn’t associated with estrus or ovulation because

photoperiod

the length of light versus dark

body size, photoperiod, social groups, males, genetics

HWat factors are able to induce the onset of puberty

decrease

Does estrogen increase or decrease after ovulation

GnRH

WHat hormone is responsible for the onset of puberty

FSH and LH

WHat hormones are responsible for the growth of follicles

negative

The first estrus cycle is what type of feedback loop

sertoli and leydig cells

IN males FSH and LH activate what to be released

testosterone

WHat hormone do leydig cells produce

decrease

THe release of testosterone causes a what in GnRH (increase or decrease)