Principles of Biochemistry

9.1.4 Classification of Hormones

Hormones are classified into three groups namely- polypeptides, amino acid derivatives, and steroids

Type of Hormone	Organ of Secretion
1. Peptide hormones
a.     Thyrotropin releasing hormone: Thyrotropic hormones (TSH)     Adrenocorticotropic  hormone (ACTH), Leutinizing hormona (LH), Follicle stimulating hormone (FSH), b.  Growth hormone:   GH, Somototrophin, prolactin, lipotrophins	Hypothalamus
Corticotropin, Oxytocin	Anterior pituitary
Vasopressin	Posterior pituitary
Insulin	Pancreas (β cells)
Glucagon	Pancreas (α cells)
2.Amine hormone
Adrenaline , noradrenaline	Adrenal medulla
Thyroxine	Thyroid
3.Steroid hormones
Cortisol	Adrenal cortex
Estradiol	Ovary
Testosterone	Testis
Progesterone	Corpus luteum