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Pronunciation: pa-raf'i-sis, -sez

Definition: A median organ developing from the roofplate of the diencephalon in certain lower vertebrates. Present in the human embryo and fetus for a short time.

Synonym(s): paraphysial body

[G. an offshoot]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.