- The short crossbar connecting the branches of a zygal fissure.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for zygon
Zygal, zī′gal, n. pertaining to a zygon, formed like a letter .
Zygon, zī′gon, n. a connecting bar: an -shaped fissure of the brain.