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February 27, 2014

Endocrine Glands & Their Hormones

The endocrine system is made up of the endocrine glands that secrete hormones. Although there are eight major endocrine glands scattered throughout the body, they are still considered to be one system because they have similar functions, similar mechanisms of influence, and many important interrelationships.

Some glands also have non-endocrine regions that have functions other than hormone secretion. For example, the pancreas has a major exocrine portion that secretes digestive enzymes and an endocrine portion that secretes hormones. The ovaries and testes secrete hormones and also produce the ova and sperm. Some organs, such as the stomach, intestines, and heart, produce hormones, but their primary function is not hormone secretion.

GLAND
HORMONE(S)
Adrenals
Cortisol
Aldosterone
DHEA (Dehydroepiandrosterone)
Adrenals/ovaries (women)
testosterone
estrogens - E1 (estrone), E2 (estradiol), E3 (estriol)      
Adrenals/testes (men)
testosterone
estrogens
Pancreas
insulin
glucagon
GLP-1
Thyroid
T4 (thyroxine), T3 (triiodothyronine)
Pituitary
GH (growth hormone)
ACTH (adrenocorticotrophic hormone)
prolactin
TSH (thyroid stimulating hormone)
LH (luteinizing hormone)
FSH (follicle stimulating hormone)
Parathyroids
PTH (parathyroid hormone)
Kidneys
Vitamin D

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