hbs

Oxytocin

Pituitary Gland

Uterus, Mammary Glands

Stimulates contractions during labor, milk ejection.

Antidiuretic Hormone (ADH)

Pituitary Gland

Kidneys

Promotes water retention.

Prolactin

Pituitary Gland

Mammary Glands

Stimulates milk production.

Growth Hormone (GH)

Pituitary Gland

Various tissues

Stimulates growth and cell reproduction.

Follicle-Stimulating Hormone (FSH)

Pituitary Gland

Ovaries, Testes

Stimulates egg and sperm production.

Luteinizing Hormone (LH)

Pituitary Gland

Ovaries, Testes

Triggers ovulation, testosterone production.

Thyroid Stimulating Hormone (TSH)

Pituitary Gland

Thyroid Gland

Stimulates production of thyroid hormones.

Adrenocorticotropic Hormone (ACTH)

Pituitary Gland

Adrenal Glands

Stimulates cortisol release from adrenal cortex.

Melatonin

Pineal Gland

Brain

Regulates sleep-wake cycle.

Triiodothyronine (T3)

Thyroid Gland

All cells

Regulates metabolism.

Thyroxine (T4)

Thyroid Gland

All cells

Regulates metabolism.

Calcitonin

Thyroid Gland

Bones

Lowers blood calcium levels.

Parathyroid Hormone

Parathyroid Glands

Bones, Kidneys

Raises blood calcium levels.

Thymosin

Thymus

T cells

Stimulates T cell development.

Epinephrine (adrenaline)

Adrenal Glands

Heart, Lungs

Increases heart rate, opens airways.

Norepinephrine (noradrenaline)

Adrenal Glands

Various organs

Increases heart rate, blood pressure.

Cortisol

Adrenal Glands

Various tissues

Regulates metabolism, stress response.

Aldosterone

Adrenal Glands

Kidneys

Increases sodium reabsorption and potassium excretion.

Estrogen

Ovaries

Female Reproductive Organs

Regulates menstrual cycle, secondary sex characteristics.

Progesterone

Ovaries

Uterus

Prepares uterus for pregnancy.

Testosterone

Testes

Male Reproductive Organs

Stimulates sperm production, secondary sex characteristics.

Insulin

Pancreas

Liver, Muscle

Lowers blood sugar levels.

Glucagon

Pancreas

Liver

Raises blood sugar levels.