FRHD 1010 Lecture Notes - Lecture 9: Secondary Sex Characteristic, Personal Fable, Spermarche

• School: University of Guelph
• Department: Family Relations and Human Development
• Course: FRHD 1010
• Professor: Susan Chuang

Document Summary

Puberty: the time between the first onrush of hormones and full adult physical development. Menarche: a girl"s first menstrual period, signaling that she has begun ovulation. Pregnancy is biologically possible, but ovulation and menstruation are often irregular for years after menarche. infancy, but ejaculation signals sperm production. Hormone: an organic chemical substance that is produced by one body tissue and conveyed via the bloodstream to another to affect some physiological function. Pituitary: a gland in the brain that responds to a signal from the hypothalamus by producing many hormones, including those that regulate growth and that control other glands, among them the adrenal and sex glands. Adrenal glands: two glands, located above the kidneys, that produce hormones including the stress hormones epinephrine (adrenaline) and norepinephirine. Hpa (hypothalamus pituitary adrenal) axis: a sequence of hormone production that originates in the hypothalamus, moves to the pituitary, and then ends in the adrenal glands.