acoelomate

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a·coe·lo·mate

 (ə-sē′lə-māt′)
n.
An animal that lacks a coelom. Acoelomates, which include flatworms and tapeworms, exhibit bilateral symmetry and have no body cavity between the gut and the epidermis.

[New Latin Acoelōmata, group name : a- + Greek koilōma, koilōmat-, cavity; see coelom.]

a·coe′lo·mate (-lə-mĭt) adj.

acoelomate

(eɪˈsiːləˌmeɪt) biology
n
any animal without a body cavity, such as a flatworm
adj
relating to an animal without a body cavity

a•coe•lo•mate

(eɪˈsi ləˌmeɪt, ˌeɪ siˈloʊ mɪt)
adj.
1. lacking a body cavity or coelom.
n.
2. any organism that lacks a cavity between the body wall and the digestive tract, as the flatworms, nemerteans, and jellyfishes.
[1875–80; a-6 + coelom + -ate1]
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References in periodicals archive ?
Triploblastic relationships with emphasis on the acoelomates and the position of Gnathostomulida.
Triploblastic relationships with emphasis on the acoelomates and the position of gnathostomulida, cycliophora, plathelminthes, and chaetognatha: a combined approach of 18s rDNA sequences and morphology.
There have been comparatively few reports of lysozyme in acoelomates, although Phillips (1963) has described a series of experiments which indicate that lysozyme-like enzymes occurs in the mucus of A.