Hormones

17.2, 17.3, 17.4

Gonadotropin Releasing Hormone (GnRH)

Source: Hypothalamus

Target: Anterior Pituitary

Function: Stimulates release of FSH & LH

Thyrotropin Releasing Hormone (TRH)

Source: Hypothalamus

Target: Anterior Pituitary

Function: Stimulates release of TSH

Follicle Stimulating Hormone (FSH)

Source: Anterior Pituitary

Target: Ovaries, Testes

Function:

Ovaries- Estrogen prod.

Testes- Sprem prod.

Luteinizing Hormone (LH)

Source: Anterior Pituitary

Target: Ovaries, Testes

Function: Ovaries- trigger ovulation & prod. progesterone

Testes- Testosterone prod.

Thyroid Stimulating Hormone (TSH)

Source: Anterior Pituitary

Target: Thyroid Gland

Function: Release T3 & T4

Growth Hormone (GH)

Source: Anteriory Pituitary

Target: Bones, Muscles

Function: Stimulates growth, cell mitosis

Adrenocorticotropic Hormone (ACTH)

Source: Anterior Pituitary

Target: Adrenal Cortex

Function: Stimulates release of cortisol

Insulin

(Beta cells)

Source: Pancreas

Target: Body

Function: Lower blood sugar (by raising glucose uptake)

Glucagon

(Alpha cells)

Source: Pancreas

Target: Liver

Function: Raises blood sugar (by releasing stored glucose)

T3 and T4

Source: Thyroid Gland

Target: Body

Function: Increase metabolism

Parathyroid Hormone (PTH)

Source: Parathyroid Gland

Target: Bone, kidneys, intestines

Function: Raises calcium levels in bood

Calcitonin

Source: Thyroid Gland

Target: Bones

Function: Lower calcium in blood

Cortisol

Source: Adrenal Cortex

Target: Body tissue

Function: Stress response, increase metabolism

Epinphrine

Source: Adrenal medulla

Target: Heart, muscles, liver

Function: Fight or Flight response (heartrate & glucose up)

Aldosterone

Source: Adrenal Cortex

Target: Kidneys

Function: Increase sodium & water retention, raise BP

Antidiuretic Hormone (ADH)

Source: Posterior Pituitary

Target: Kidneys

Function: Maintain BP, fluid retention (absorps water = decrease pee)

Melatonin

Source: Pineal Gland

Target: Brain/Body

Function: Regulate sleep cycle, when dark

Estrogen

Source: Ovaries

Target: Uterus, breasts

Function: Maintains uterus lining, support pregnancy

Progesterone

Source: Ovaries

Target: Uterus

Function: Maintains uterus lining, support preg

Testosterone

Source: Testes

Target: Male genitals, muscles, bones

Function: Sperm prod., sex characteristics