puberty (2) Flashcards
Puberty is a ___.
process
what influences ovulation?
GnRH
what influences puberty?
environment, body size, and genetics
when does the hypothalamus develop?
prenatally or shortly after birth
what stimulates gonadotropin release and where?
GnRH, anterior lobe of pituitary
define gametogenesis
creation of gametes
define steroidogenesis
creatiion fo steroid hormone
what limits puberty?
nutrition, environment, genetics
how do we know males are going through puberty?
behavioral traits, first ejaculation, spermatozoa in ejaculate
how do we know females are going through puberty?
first heat, first ovulation, when pregnancy can be supported
what are the most important factors in female puberty?
body size and external factors
what external factors affect puberty?
season when born, presence of opposite gender, density of group, breed/genetics, fatness
when was leptin discovered?
1994
what secretes leptin?
fat cells
leptin in blood equals…
fat in body
