[en-duh-krin, -krahyn, -kreen] Anatomy, Physiology.
adjective Also, endocrinal [en-duh-krahyn-l, -kreen-l] , endocrinic [en-duh-krin-ik] , endocrinous.
secreting internally into the blood or lymph.
of or pertaining to an endocrine gland or its secretion.
an internal secretion; hormone.
Compare exocrine.

1910–15; endo- + -crine < Greek krī́nein to separate

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World English Dictionary
endocrine (ˈɛndəʊˌkraɪn, -krɪn)
1.  of or denoting endocrine glands or their secretions: endocrine disorders
2.  an endocrine gland
[C20: from endo- + -crine, from Greek krinein to separate]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1914, from endo- + krinein "to separate, distinguish" (see crisis).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

endocrine en·do·crine (ěn'də-krĭn, -krēn', -krīn')

  1. Secreting internally, most commonly into the systemic circulation.

  2. Of or relating to endocrine glands or the hormones secreted by them.

  1. The secretion of an endocrine gland.

  2. An endocrine gland.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
The pituitary gland is a pea-sized endocrine gland located at the base of the
At high doses, these chemicals can disrupt animal endocrine systems, cause
  cancer and alter reproduction.
Patients may also have complications from the other endocrine tumors that are
  part of the multiple endocrine neoplasia syndromes.
It turns out that fat tissue is an active endocrine organ, and the more fat
  tissue you have the hungrier you will be.
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