metastoma

noun me·tas·to·ma \mə̇ˈtastəmə, -ˈtaas-\

Definition of metastoma

plural

metastomata

\ˌmetəˈstōmətə\
  1. :  a median platelike process behind the mouth in crustaceans and related arthropods

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Origin and Etymology of metastoma

New Latin, from meta- + Greek stoma mouth


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