Definitionn. the dilated portion of a canal or duct especially of the semicircular canals of the ear
Last update: September 14, 2015
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Ampulla: Orthoptera; an extensile sac between head and prothorax used by the young in escaping from oötheca, and later, in molting: Heteroptera; a blister-like enlargement at the middle of the anterior margin of the pro-thorax. [Please select]
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Ampulla-like: flask-shaped; applied to a vascular sac at base of antennae which aids in the blood circulation of head and its appendages. [Please select]
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