metastoma

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English

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Alternative forms

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Etymology

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From Ancient Greek μετά (metá, behind) + στόμα (stóma, mouth).

Noun

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metastoma (plural metastomas or metastomata)

  1. (zoology) A median elevation behind the mouth in the arthropods.
  2. (zoology) A ventral single plate located in the opisthosoma of some non-arachnid chelicerates in the extinct genus Houia which is involved in feeding and manipulating food.
  3. (botany) A structure found in some mosses and liverworts that covers the mouth of the capsule from which spores are released.

Anagrams

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