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definitions

ramulus

[răm′yə-ləs]
n. pl. ram•u•li (-lī′)
  1. A small branch or twig.
  2. Any of the terminal divisions of a nerve or blood vessel.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.