acelom

acelom
Absence of a true celom or body cavity lined with mesothelium; typically found in Platyhelminthes (flatworms), which have a syncytial mass of parenchymal cells instead of a true body cavity. [G. a- priv. + koiloma, hollow (celom)]

Medical dictionary. 2011.

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  • pseudocelom — A partial or false celom, typical of Nematoda (roundworms) and related phyla, in which the body cavity is lined by mesoderm along only one surface (hypodermis, under the cuticular body wall). Cf.:celom, acelom. [pseudo + G. koiloma, hollow] …   Medical dictionary

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