enkephalin

[en-kef-uh-lin]

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noun Biochemistry.

either of two pentapeptides that bind to morphine receptors in the central nervous system and have opioid properties of relatively short duration; one pentapeptide (Met enkephalin) has the amino acid sequence Tyr-Gly-Gly-Phe-Met and the other (Leu enkephalin) has the sequence Tyr-Gly-Gly-Phe-Leu.

Enkephalins www.everydayhealth.com/ Expert Health Advice & Information Learn About Enkephalins

Origin:
1970–75; < Greek enképhal(os) encephalon + -in²

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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Enkephalin is always a great word to know.

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Symbol: Nd; atomic weight: 144.24; atomic number: 60

Symbol: Co; atomic weight: 58.9332; atomic number: 27

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Collins

World English Dictionary

enkephalin or encephalin (ɛnˈkɛfəlɪn, ɛnˈsɛfəlɪn)

—n
	See also endorphin a chemical occurring in the brain, having effects similar to those of morphine

encephalin or encephalin

—n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage

Medical Dictionary

enkephalin en·keph·a·lin (ěn-kěf'ə-lĭn)
n.
Either of two closely related pentapeptides having opiate qualities and occurring especially in the brain and spinal cord.

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enkephalin

en·keph·al·in