lobule

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English

Alternative forms

Etymology

From lobe +‎ -ule (diminutive suffix).

Pronunciation

Noun

lobule (plural lobules)

  1. Diminutive of lobe:
    1. (anatomy) A small lobe; a subdivision of a lobe.
    2. (botany) In liverworts with bilobed leaves, the smaller of the two lobes, sometimes modified to form a sac.
      • 1992, Rudolf M Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 4:
        The Jubulaceae have a leaf whose lobule, usually transformed into a water-sac, is normally very narrowly attached to the stem and to the dorsal lobe; indeed some Frullania taxa reproduce vegetatively by dropping the dorsal lobes, but not the lobules, and Neohattoria has caducous lobules but persistent lobes.
    3. (botany) A tongue-like structure opposite the scutellum in grasses; the epiblast.

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