Continue with the action of the posterior pituitary hormones on the human organism. Discuss the action of oxytocin in stimulating the uterus contractions, and the need for these contractions. Expand the physiology of oxytocin to the action of milk letdown by the mammary glands. Discuss the importance of this action, and the stimulus for it.
Examine the anterior pituitary gland diagram, and note the varied actions controlled by this gland. Discuss growth and the effects of growth hormone on the bones and muscles. Examine photographs of hypopituitary growth hormone effects on children, as well as hypersecretion. Discuss pituitary dwarfism and gigantism.