FMLY 1010 Lecture Notes - Lecture 53: Secondary Sex Characteristic, Pubic Hair, Pituitary Gland

• School: University of Manitoba
• Department: Family Social Sciences
• Course: FMLY 1010
• Professor: Christine A.Schippers

Document Summary

Chapter 11: physical and cognitive development in adolescence. Puberty: collective term for physical changes that culminate in sexual maturity. Pituitary gland: gland that triggers other glands to release hormones. Ig(cid:374)als a (cid:272)hild"s adre(cid:374)al gla(cid:374)d to step up its produ(cid:272)tio(cid:374) of a(cid:374)droge(cid:374) Secrete hormones that stimulate growth of ovaries and testes release testosterone and estrogen. Pituitary also releases thyroid stimulating hormone, and general growth hormone affect growth, two sets of body changes sex organs and broader changes in brain, bones, muscles and other body organs. Primary sex characteristics: sex organs: ovaries, uterus, vagina, testes and penis. Secondary sex characteristics: body parts such as breasts in females and pubic hair in both sexes. Occur in defined sequence divided into five stages (pg. First steps: changes in breasts, pubic hair, then growth spurt. Occurs two years after beginning of other visible changes. Possible to become pregnant, but usually irregular periods, produce no ovum.