median groove of tongue

Medical Dictionary

median groove of tongue n.
A slight longitudinal depression that runs forward on the dorsal surface of the tongue. Also called longitudinal raphe of tongue, median longitudinal raphe of tongue.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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