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The Collaborative International Dictionary
Pleurocentrum

Pleurocentrum \Pleu`ro*cen"trum\, n. [NL. see Pleuro-, and Centrum.] (Anat.) One of the lateral elements in the centra of the vertebr[ae] in some fossil batrachians.

Wiktionary
pleurocentrum

n. (context anatomy English) One of the lateral elements in the centra of the vertebrae in some fossil batrachians.