ramulus
[ răm′yə-ləs ]
n. pl. ram•u•li (-lī′)
A small branch or twig.
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.