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Endocrine glands

Endocrine glands release (secrete) hormones into the bloodstream.

The endocrine glands include:

  • Adrenal
  • Hypothalamus
  • Islets of Langerhans in the pancreas
  • Ovaries
  • Parathyroid
  • Pineal
  • Pituitary
  • Testes
  • Thyroid
Endocrine glandsWatch this video about:Endocrine glands


Hypersecretion is when too many hormones are secreted from a gland. Hyposecretion is when too few hormones are released.

There are many types of disorders that can result when too much or too little of a hormone is released.

Disorders that may result when a particular gland does not produce the right amount of hormones include:





Pituitary glandWatch this video about:Pituitary gland

Testes and ovaries:

  • Lack of sex development (unclear genitalia)



Kronenberg HM, Melmed S, Larsen PR, Polonsky KS. Principles of endocrinology. In: Melmed S, Polonsky KS, Larsen PR, Kronenberg HM, eds.Williams Textbook of Endocrinology

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Update Date 4/13/2013

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