Medical Dictionary

mesozoan

noun me·so·zo·an \ -ˈzō-ən \

medical Definition of mesozoan

:any of the animals that comprise the taxon Mesozoa, that includes small wormlike parasitic forms with an outer layer of somatic cells and an inner mass of reproductive cells, and that are often regarded as intermediate in organization between the protozoans and the metazoans although they may be degenerate descendents of more highly organized forms

mesozoan

adjective

Seen and Heard

What made you want to look up mesozoan? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to praise usually to excess

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!