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Endocrine glands
Endocrine glands
Brain-thyroid link
Brain-thyroid link

Endocrine glands

Endocrine glands release hormones into the bloodstream.

Endocrine glands include the:

  • Adrenal
  • Islets of Langerhans in the pancreas
  • Ovaries
  • Parathyroid
  • Pineal
  • Pituitary
  • Thyroid
Endocrine glands
Endocrine glands

Information

When a gland releases a substance, it is called secretion. Hypersecretion is when too many hormones are released. Hyposecretion is when too few hormones are released.

Many different disorders can result when too few hormones or too many hormones are released.

Here is a partial list of disorders that may result when a particular gland does not produce the right amount of hormones.

Adrenal:

Pancreas:

Parathyroid:

Pituitary:

Pituitary gland
Pituitary gland

Testes and ovaries:

  • Lack of sex development (unclear genitalia)

Thyroid:

References

Kronenberg HM, Melmed S, Larsen PR, Polonsky KS. Principles of endocrinology. In: Kronenberg HM, Melmed S, Polonsky KS, Larsen PR, eds. Williams Textbook of Endocrinology. 11th ed. Philadelphia, Pa: Saunders Elsevier; 2008:chap 1.

Updated: 5/1/2011

Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.


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