Velum meaning

vēləm
Frequency:
(biology) A covering or partition of thin membranous tissue, such as the veil of a mushroom, a rim of tissue around the margin of the bell of certain cnidarians, or a membrane of the brain.
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An anatomical structure resembling a veil or curtain.
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(anatomy) The soft palate.
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(zoology) A ciliated swimming and feeding organ that develops in certain larval stages of most gastropod and bivalve mollusks.
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(biol.) Any of various veil-like membranous partitions or coverings.
  • The lobed, ciliated swimming organ of gastropod larvae, located near the mouth.
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A serous membrane or membranous envelope or covering.
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A thin membrane, resembling a veil, such as:
  • (anatomy) The soft palate.
  • (botany) A thin membrane partially covering the cluster of sporangia near the leaf base in quillworts and their extinct relatives.
  • (mycology) A veil-like membrane of immature mushrooms extending from the margin of the cap to the stem and is torn by growth, to reveal the gills.
  • (malacology) A locomotory and feeding organ provided with cilia found in the larval stage of bivalves.
  • (zoology) A circular membrane round the cap of medusa.
  • A delicate membrane found on certain protists.
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(meteorology) An accessory cloud resembling a veil extending over a large distance. Normally associated with cumulus and cumulonimbus.
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Origin of velum

  • Latin vēlum veil

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

  • From Latin velum (“veil, sail").

    From Wiktionary