Definition of Platyhelminthes in English:

Platyhelminthes

Line breaks: Platy|hel¦min¦thes
Pronunciation: /ˌplatɪhɛlˈmɪnθiːz
 
/

noun

Zoology
  • A phylum of invertebrates that comprises the flatworms.
    More example sentences
    • Like other members of the phylum Platyhelminthes, those of the class Turbellaria are dorsoventrally compressed, with high surface area to volume ratios.
    • However, opinions do differ for the scoring of three phyla in particular: Platyhelminthes, Nemertea, and Rotifera (variously scored as primitively possessing or lacking a prototroch).
    • The simplest animals that are bilaterally symmetrical and triploblastic (composed of three fundamental cell layers) are the Platyhelminthes, the flatworms.

Origin

modern Latin (plural), from platy- 'flat' + Greek helminth 'worm'.

More definitions of Platyhelminthes

Definition of Platyhelminthes in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody