Dictionary.com
definitions
  • synonyms
pontomedullary groove in Medicine

pontomedullary groove

(pŏn′tō-mĕdl-ĕr′ē, -mə-dŭlə-rē)
n.
  1. The transverse groove on the ventral aspect of the brainstem that demarcates the pons from the medulla oblongata and from which emerge the sixth, seventh, and eighth cranial nerves.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.