Compare and contrast the organizing versus the activating effects of hormones. Give examples of each.
What will be an ideal response?
Organizing effects of hormones are effects that occur during prenatal development and shortly after birth. These hormonal effects create permanent changes in brain and body structures. Examples of organizing effects include the development of genitalia such as the clitoris, labia, uterus, penis, testes, and vas deferens. Activating effects are hormonal effects that can occur during any phase of a person's life, and they can be reversible effects, such that changes in the hormone levels change a person's body. Examples of activating effects include increased hair growth on the body during puberty, breast development in girls, ovulation and menstruation in girls, and increased muscle mass in boys.
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