Ommatidium meaning

ŏmə-tĭdē-əm
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One of the optical units, consisting of photoreceptors and usually one or more lenses, that make up a compound eye of an insect or a crustacean.
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Any of the structural elements forming the compound eye of an insect, many crustaceans, etc.: each element is a complete photoreceptor in itself, having a lens, pigment, light-sensitive cells, etc.
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One of the optical units, consisting of photoreceptors and usually one or more lenses, that make up a compound eye of an insect or a crustacean.
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One of the tiny light-sensitive parts of the compound eye of insects and other arthropods. An ommatidium resembles a single simplified eye.
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(zoology) One of the conical substructures which make up the eyes of invertebrates.
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Origin of ommatidium

  • New Latin diminutive of Greek omma ommat- eye okw- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From the stem form of Ancient Greek ὄμμα (omma, “eye") + -idium.

    From Wiktionary