[pree-awr-uh l, -ohr-]
- situated in front of or before the mouth.
Origin of preoral
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for preoral
Prostomium: The region in front of the mouth; the preoral part of the head.The Sea-beach at Ebb-tide
Augusta Foote Arnold
To the right of this adoral zone is a single line of preoral cilia.Marine Protozoa from Woods Hole</p>
Gary N. Calkins
At the anterior end of the preoral lobe is a nervous thickening of the ectoderm called 226 the apical plate .
The cilia of the preoral and postoral bands are not clearly differentiated at this stage.
- Situated or located in front of the mouth.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.