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Definitions of Hypopharynx

  1. An appendage or fold on the lower side of the pharynx, in certain insects. Webster Dictionary DB
  2. The lingua of many insects; in mosquitoes, an outgrowth from the base of the labium which bears the salivary groove or duct. A dictionary of scientific terms. By Henderson, I. F.; Henderson, W. D. Published 1920.
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