Adolescence

What age is considered adolescence?

11-18

What does puberty signal?

More production of estrogen, testosterone, and progesterone

When does puberty begin?

Usually between the ages of 8-14.

Girls bodies usually start changing and stop changing before boys.

Define pituitary gland.

A gland in the brain that responds to a signal from the hypothalamus by producing many hormones, including those that regulate growth and sexual maturation.

Define adrenal gland.

Two glands, located above the kidneys, that respond to the pituitary, producing hormones.

What is the HPA axis?

A sequence of hormone production originating in the hypothalamus and moving to the pituitary and then to the adrenal glands.

Hypothalamus-Pituitary-Adrenal

What is the HPG axis?

A sequence of hormone production originating in the hypothalamus and moving to the pituitary, and then to the gonads.

Hypothalamus-Pituitary-Gonad

Define gonads

The paired sex glands (ovaries in females, testicles in males) The gonads produce hormones and mature gametes.