Module 4
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (10 张)
How is photoperiodic info transduced?
Melatonin concentrations are regulated
What triggers melatonin production
darkness
What triggers increase in sex steroid hormone?
Increase in day length
What halts melatonin production
pineal gland sensing light
Long nights or short nights make more melatonin?
Long nights
what do gonads synthesise
sex steroid hormones
Why photoperiod cue for seasonal changes for reproduction?
Photoperiod: It’s reliable, nothing’s gonna change it
what does the anterior pituitary gland synthesize
LH and FSH
What does the hypothalamus synthesize
GnRH
If melatonin is present, what happens to sex steroid hormones
it inhibits GnRH release or responsiveness, which would then affect the rest of the cascade and decrease the amount of sex steroid hormone production