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Terms
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- the sensitive stage of development
- organizing effects occur at
- progesterone
- prepares the uterus for the implantation of a fertilized ovum and promotes the maintenance of pregnancy
- estrogents
- group of female hormones-- estradiol and others
- meadow vole
- low vasopressin levels--bad parent
- third thing a hormone does
- bind to chromosomes where they activate or inactivate specific genes
- praire voles
- secret large amounts of vasopresson-- good parent
- androgens
- group of male hormones-- testosterone and others
- POA
- preoptic area
- any time in life
- activating effects occur at
- alpha-fetoprotein
- binds with estrogen and blocks it from leaving the blood stream and entering the cells
- activating effects
- hormone temporarily activates a particular response
- second thing a hormone does
- enter cells or activate certain kinds of proteins in the cytoplasm
- first thing hormone does
- bind to membrane receptors
- estradiol
- female hormone
- FSH
- Follical Stimulating hormone
- organizing effects
- determines whether the brain and body will develop female or male characteristics.
- sexually dimorphic nucleus
- an area in the anterior hypothalamus that is lrager in the male than in the female and contributes to control of male sexual behavior.
- periovulatory period
- when ovulation occurs, is the time of maximum fertility
- follical stimulating hormone
- promotes the growth of a follcile in the ovary
- ovaries
- egg-producing organ
- Lutenizing hormone
- surge of LH and FSH combine cause the follicle to release an ovum
- menstrual cycle
- periodic variation in hormones and fertility over the course of about 28 days
- testoserone
- male hormone
- sex-limited genes
- genes that androgens or estrogens activate.. control most of the differences you see between the male and female animals