aganglionosis

[ ā-găng′glē-ə-nōsĭs ]

n.

Absence of ganglion cells.
Congenital absence of the myenteric plexus ganglion cells.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.