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Medical Term:


Pronunciation: thu'ja, -ya


The fresh tops of Thuja occidentalis (family Pinaceae), an ornamental evergreen tree of eastern North America, a source of cedar leaf oil; has been used internally as an expectorant, emmenagogue, and anthelmintic, and externally as a mild counterirritant.

Synonym(s): thuya

[G. thyia, an African tree with sweet-smelling wood]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.