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Situated beneath the pharynx.

Situated at the lower part of the pharynx.

In entomology, pertaining to the hypopharynx.

In ichthyology, specifically applied to the lower pharyngeal bones: opposed to epipharyngeal. See the extract.

n. One of the lower pharyngeal bones: generally used in the plural.

"Epipharyngeal sclerites: in bees; a pair of strap-like pieces extending backward from the two sides of the base of epipharynx: see hypopharyngeal sclerites."

hypopharyngeal band    hypopharyngeal fold