• Webster's Revised Unabridged Dictionary
    • n Hypopharynx (Zoöl) An appendage or fold on the lower side of the pharynx, in certain insects.
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Century Dictionary and Cyclopedia
    • n hypopharynx In entomology, a fleshy organ, generally strengthened with chitinous sclerites, projecting from the floor of the mouth at the opening of the pharynx or gullet. It sometimes has a tongue-like prolongation called the lingua, or that name may be given to the whole hypopharynx. See cut under Hymenoptera.
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Webster's Revised Unabridged Dictionary
NL. See Hypo-, and Pharynx


In literature:

Hypopharyngeal: relating to the hypopharynx.
"Explanation of Terms Used in Entomology" by John. B. Smith
Just below this is the hypopharynx, the lateral margins of which are very thin.
"Insects and Diseases" by Rennie W. Doane
The same, hypopharynx, ventral aspect.
"Journal of Entomology and Zoology" by Horace Gunthorp
Folsom looks on the hypopharynx as a secondary development.
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4" by Various

In news:

Intravascular papillary endothelial hyperplasia (Masson lesion) of the hypopharynx and larynx.