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endocrine system

endocrine system in Science
endocrine system  
The bodily system that consists of the endocrine glands and the hormones that they secrete. See Note at hormone.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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endocrine system in Culture

endocrine system definition


The system of endocrine glands in the body. The endocrine system chemically controls the various functions of cells, tissues, and organs through the secretion of hormones. The endocrine system includes the adrenal glands, parathyroid gland, pituitary gland, and thyroid gland, as well as the ovaries, pancreas, and testes.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Article for endocrine system

any of the systems found in animals for the production of hormones, substances that regulate the functioning of the organism. Such a system may range, at its simplest, from the neurosecretory, involving one or more centres in the nervous system, to the complex array of glands found in the human endocrine system.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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