Acoela

plural noun

Acoe·​la

(ˈ)ā-ˈsē-lə

: an order or other division of Turbellaria that is sometimes regarded as a suborder of Rhabdocoela and comprises marine flatworms that lack a digestive cavity with definite walls and that receive food into a porous mass of endodermal tissue

Word History

Etymology

New Latin, from a- entry 2 + coeloma coelom

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