Endocrine System

Thyroxin, T_{4 ^,} T₃ - Increases metabolism

Calcitonin - lowers blood calcium

Parathyroid hormone - increases blood calcium

• Cortisol (glucocorticoid) - increases blood sugar
• Aldosterone (mineralocorticoid) - increases reabsorption of Na
• Androgen/Estrogen (gonadocorticoids) - secondary sex characteristics

• Epinephrine (adrenaline) - sympathomimetic
• Norepinephrine (noradrenaline) - sympathomimetic

• Insulin BETA cells- decreases blood sugar (glucose-glycogen)
• Glucagon ALPHA cells - increases blood sugar (glycogen-glucose)

Growth Hormone (GH) somatotropin- increases bone and tissue growth

Thyroid-stimulating hormone (TSH) - stimulates thyroid gland and thyroxine secretion

Adrenocorticotropic hormone (ACTH) - stimulates adrenal cortex, especially cortisol secretion

• Gonadotropic hormone
• Follicle-stimulating hormone (FSH) - Oogenesis and spermatogenesis
• Luteinizing hormone (LH) - promotes ovulation; testosterone secretion

Prolactin (PRL) - promotes growth of breast tissue and milk secretion

Antidiuretic Hormone (ADH) vasopressin - reabsorption of water by kidney tubules

Oxytocin - stimulates contraction of uterus during labor and childbirth

Estrogen - promote development of ova and female secondary sex characteristics

Progesterone - prepares and maintains the uterus in pregnancy

Testoterone - promotes development of sperm and male secondary sex characteristics

Melatonin - thought to induce sleep

Thymosin - development of immune response in newborns