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Endocrine glands
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Definition Return to top
Endocrine glands release hormones into the bloodstream.
Endocrine glands include the:
- Adrenal
- Hypothalamus
- Islets of Langerhans in the pancreas
- Ovaries
- Parathyroid
- Pineal
- Pituitary
- Testes
- Thyroid
Information Return to top
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:
- Tetany
- Renal calculi
- Excessive loss of minerals from bone
Pituitary:
Testes and ovaries:
- Lack of sex development (unclear genitalia)
Thyroid:
References Return to top
Gill GN, Clemmons DR. Principles of endocrinology. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 240.
Update Date: 5/2/2009 Updated by: 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.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 1997-2009, A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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