Links to the individual hormones
HormoneStructure (1)Principal Source
Link to diagram showing
locations of the endocrine glands
Thyroid-stimulating hormone (TSH)protein (201)Anterior lobe of pituitary
Follicle-stimulating hormone (FSH)protein (204)
Luteinizing hormone (LH)protein (204)
Prolactin (PRL)protein (198)
Growth hormone (GH)protein (191)
Adrenocorticotropic hormone (ACTH)peptide (39)
Vasopressin (aka Vasotocin)peptide (9)Posterior lobe of pituitary
Oxytocinpeptide (9)
Thyrotropin-releasing hormone (TRH)peptide (3)Hypothalamus
Gonadotropin-releasing hormone (GnRH)peptide (10)
Growth hormone-releasing hormone (GHRH)peptides (40, 44)
Corticotropin-releasing hormone (CRH)peptide (41)
Somatostatinpeptides (14, 28)
Dopaminetyrosine derivative
Melatonintryptophan derivativePineal gland
Thyroxine (T4)tyrosine derivativeThyroid Gland
Calcitoninpeptide (32)
Parathyroid hormone (PTH)protein (84)Parathyroid glands
FGF-23 (phosphatonin)protein (251)Bone
Osteocalcinpeptide (49)
Lipocalin 2protein (198)
Erythropoietin (EPO)protein (166)
Glucocorticoids (e.g., cortisol)steroidsAdrenal cortex
Mineralocorticoids (e.g., aldosterone)steroids
Androgens (e.g., testosterone)steroids
Adrenaline (epinephrine)tyrosine derivativeAdrenal medulla
Noradrenaline (norepinephrine)tyrosine derivative
Estrogens (e.g., estradiol)steroidOvarian follicle
ProgesteronesteroidCorpus luteum and placenta
Relaxinpeptide (53)
Human chorionic gonadotropin (HCG)protein (237)Trophoblast and placenta
Androgens (e.g., testosterone)steroidTestes
Insulinprotein (51)Pancreas (Islets of Langerhans)
Glucagonpeptide (29)
Somatostatinpeptides (14, 28)
Amylinpeptide (37)
Erythropoietin (EPO)protein (166)Kidney
Calcitriolsteroid derivative
Calciferol (vitamin D3)steroid derivativeSkin
Atrial-natriuretic peptide (ANP)peptides (28, 32)Heart
Gastrinpeptides (e.g., 14)Stomach and intestine
Secretinpeptide (27)
Cholecystokinin (CCK)peptides (e.g., 8)
Fibroblast Growth Factor 19 (FGF19)protein (216)
2 Incretinspeptides (29, 42)
Somatostatinpeptides (14, 28)
Neuropeptide Ypeptide (36)
Ghrelinpeptide (28)
PYY3-36peptide (34)
Serotonintryptophan derivative
Insulin-like growth factor-1 (IGF-1)protein (70)Liver
Angiotensinogenprotein (485)
Thrombopoietinprotein (332)
Hepcidinpeptide (25)
Betatrophinprotein (193)
Leptinprotein (167)Fat cells (adipocytes)
Retinol Binding Protein 4protein (~180)
Adiponectinprotein (117)
Asprosinprotein (140)
Irisinpeptide (~113)Skeletal muscle
Note (1): Numbers within parentheses indicate the number of amino acids in the protein or peptide(s).
Welcome&Next Search

4 February 2023