PMY 302 Study Guide - Midterm Guide: Bipolar Disorder, Gender Identity, Identity Crisis

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Puberty: the attainment of sexual maturity in males and females. Increase in muscles size and strength by tanner iv in males. Males get stronger females become more flexible and coordinated: primary sexual characteristics. Pituitary and hypothalamus signals adrenal gland androgen (testosterone) in male, estrogen and progesterone in female. Are necessary for reproduction: ova and sperm: secondary sexual characteristics (physical body changes) characteristics in girls: pubic hair, breast buds can precede 2 years before menarche, the tanner scale: is a scale of physical development. The scale defines physical measurements of development based on external primary and secondary sex characteristics: secular trend: the historical trend toward earlier sexual maturation, marks of puberty, adrenarche: early sexual maturation stage around 7-9 years of age. During adrenarche the adrenal cortex secretes increased levels of androgens: females: menarche, the 1st menstrual period, males: Enlargement of sexual organs: tanner iii and iv. Deeper voice and beard appear at the end of puberty.