lateral lingual swellings
Definition: in the embryo, paired oval elevations that appear in the floor of the mouth at the first pharyngeal arch level; the primordial elevations, composed of mesenchyme covered by ectoderm of stomodeal origin, merge to form the greater part of the anterior two-thirds of the tongue.
Synonym(s): lateral lingual bud
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.