PSYC 355 Chapter Notes - Chapter 2: Gonadotropin, Negative Feedback, Gonadarche
31 Jan 2013
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Document Summary
Hormones powerful chemicals secreted by the endocrine glands and carried through the body by the bloodstream: androgen the main class of male sex hormones. Testosterone associated with genital development, increase in height, and voice changes: estrogen the main class of female sex hormones, the endocrine system. Estradiol associated with breast development, uterine development, and skeletal changes. Puberty onset involves the activation of the hypothalamic-pituitary-gonadal (hpg) axis: hypothalamus monitors eating, drinking, and sex, pituitary gland controls growth and regulates other glands, gonads sex organs. Pituitary gland sends message to the testes or ovaries to manufacture the hormone; interaction with hypothalamus and pituitary to determine when optimal levels of hormones have been reached and maintains it with additional gonadotropin secretions. Follicle-stimulating hormone (fsh) stimulates follicle development in females and sperm reproduction in males. Lutenizing hormone (lh) regulates estrogen secretion and ovum development in women and testosterone production in males.
