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[uhng-kuh s] /ˈʌŋ kəs/
noun, plural unci
[uhn-sahy] /ˈʌn saɪ/ (Show IPA).
any hook-shaped or curved part of a body process, especially the hippocampal gyrus in the temporal lobe of the brain.
Origin of uncus
1820-30; < New Latin, Latin: literally, hook Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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  • The unci are furnished with finger-like processes of teeth, which vary in number.

    Marvels of Pond-life Henry J. Slack
British Dictionary definitions for unci


noun (pl) unci (ˈʌnsaɪ)
(zoology, anatomy) a hooked part or process, as in the human cerebrum
Word Origin
C19: from Latin: hook
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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unci in Medicine

uncus un·cus (ŭng'kəs)
n. pl. un·ci (ŭn'sī)

  1. A hook-shaped part or process.

  2. The anterior hooked extremity of the parahippocampal gyrus on the basomedial surface of the temporal lobe. Also called uncinate gyrus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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