BIOL 2160 Chapter Notes - Chapter 6: Cellular Respiration, Egg Cell, Minc
Document Summary
A single gland may produce multiple hormones: ex. A single hormone may be made by more than one gland: ex. A hormone may have more than 1 target & response: ex. Some organs may be exclusively hormonal: ex. Some organs produce hormones & have other functions: ex. Testes produce testosterone & sperm: primary endocrine organs. Hypothalamus in brain (part of nervous system: pituitary gland. Posterior lobe (extension of hypothalamus: infundibulum: stem that connects hypothalamus to pituitary gland. Hormones made in different regions of hypothalamus: antidiuretic hormone (adh or vasopressin) Water balance and osmolarity; acts on kidney: oxytocin. Can be made by men but not in same amounts because they have no targets partuition uterus. In times of stress, women produce more oxytocin, men produce more testosterone. Double capillary bed: anterior pituitary, kidney, liver. Portal vessels: link 2 capillary beds, should only have one, carries hormone to anterior pituitary, target for all hormones anterior pituitary.
