endostoma

noun

en·​dos·​to·​ma

enˈdästəmə

plural endostomata

ˌenˌdäˈstōmətə,

ˌendəˈs-

or endostomas

enˈdästəməz

: a plate which supports the labrum in some crustaceans

Word History

Etymology

New Latin, from end- + stoma

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