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ramus

[rey-muh s] /ˈreɪ məs/
noun, plural rami
[rey-mahy] /ˈreɪ maɪ/ (Show IPA).
Botany, Zoology, Anatomy
1.
a branch, as of a plant, vein, bone, etc.
Origin
1795-1805
1795-1805; < Latin rāmus branch, twig, bough; akin to rādīx root1 (see radix)
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for ramus
  • Each artery then divides into an anterior and a posterior ramus.
  • The shape, as well as the breadth and length of the ramus of the lower jaw, varies in a highly remarkable manner.
  • The oblique line runs upward from the mental tubercle and is continuous behind with the anterior border of the ramus.
British Dictionary definitions for ramus

ramus

/ˈreɪməs/
noun (pl) -mi (-maɪ)
1.
the barb of a bird's feather
2.
either of the two parts of the lower jaw of a vertebrate
3.
any part or organ that branches from another part
Word Origin
C19: from Latin: branch
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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ramus in Medicine

ramus ra·mus (rā'məs)
n. pl. ra·mi (-mī')

  1. Any of the primary divisions of a nerve or blood vessel.

  2. A part of an irregularly shaped bone that is thicker than a process and forms an angle with the main body, especially the ascending part of the lower jaw that makes a joint at the temple.

  3. Any of the primary divisions of a cerebral sulcus.

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