hypopharynx

Noun

Meaning

An appendage or fold on the lower side of the pharynx, in certain insects.

Source: Webster's dictionary

gullet larynx pharynx esophagus epiglottis uvula nasopharynx oropharynx trachea glottis windpipe laryngopharynx vocal cords voice box tonsils

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Finally, the hypopharynx has extended into a tube that can deliver saliva at the end of the proboscis. Source: Internet

Saliva with anticoagulant is pumped down the hypopharynx to prevent clotting, and blood is drawn up the labrum. Source: Internet

The hypopharynx and the labrum are both hollow. Source: Internet