hypopharynx

from The Collaborative International Dictionary of English v.0.48
Hypopharynx \Hy`po*phar"ynx\, n. [NL. See {Hypo-}, and
   {Pharynx}.] (Zool.)
   An appendage or fold on the lower side of the pharynx, in
   certain insects.
   [1913 Webster]
antiflux / dictionary / hypopharynx
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