Hypostoma definitions

hypostoma

Portion of the head included between the antennae, eyes and mouth
Found on http://entomology.ifas.ufl.edu/choate/insectclass/glossary_terms.htm

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Hypostoma

• (n.) The lower lip of trilobites, crustaceans, etc.
Found on http://thinkexist.com/dictionary/meaning/hypostoma/

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