The Endocrine System: Hormone Categories

August 28, 2012
by Pharm Tao

The Endocrine System: Hormone Categories


Hormones Category Functions Examples
Steroids From cholesterol Growth, sexual, reproductive functions; tissue healing Muscle-building drugs
Peptides Hormones Generation of other hormones Oxytocin
Amino acids Organic compounds   Adrenaline


Endocrine Glands and Hormones


Gland Hormones Functions/Regulations
Pineal Melatonin Circadian cycles, sleep, wakefulness
Pituitary Growth hormone Childhood growth
Prolactin Milk production in pregnant females
Oxytocin Muscle contractions (milk, labor)
Follicle stimulating hormone (FSH)/Luteinizing hormone (LH) Production of gametes (sex cells), reproductive functions
Thyroid Thyroxin Body metabolism
Parathyroid Parathormone Metabolism of calcium and phosphate (for the nervous system and other systems)
Thymus Thymosin Immunity, immune cells (lymphocytes; T cells)
Adrenal Adrenaline (epinephrine) Stress response, interacts with the immune system
Norepinephrine As both hormones and neurotransmitters; stress responses, mood, immune functions
Pancreas Insulin Blood-sugar levels, hunger, eating behavior
Ovary Estrogen Ova (egg cells); reproductive functions in the female productive system
Progesterone reproductive functions in the female productive system
Testes Testosterone Male secondary sex features; sex drive in males and females

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