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coelomate vs. acoelomate

coelomate
[see-luh-mayt, si-loh-mit] / ˈsi ləˌmeɪt, sɪˈloʊ mɪt /

adjective

  1. having a coelom.

noun

  1. a coelomate animal.

acoelomate
[ay-see-luh-mayt, ay-see-loh-mit] / eɪˈsi ləˌmeɪt, ˌeɪ siˈloʊ mɪt /

adjective

  1. Also acoelomatous acoelomous. having no coelum.

noun

  1. any organism that lacks a cavity between the body wall and the digestive tract, including the flatworms, nemertines, and sea anemones.