a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.

Origin of Platyhelminthes

1900–05; < New Latin (plural); see platyhelminth Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

platyhelminthes in Medicine




A phylum of flatworms having a flat, bilaterally symmetric body and no body cavity and including the tapeworms and flukes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.