rostellum









rostellum


rostellum [ro-stel-uh m] ExamplesWord Origin noun, plural ros·tel·la [ro-stel-uh] /rɒˈstɛl ə/.

  1. Biology. any small, beaklike process.
  2. Botany. a beaklike modification of the stigma in many orchids.
  3. Zoology.
    1. a projecting part of the scolex in certain tapeworms.
    2. a part of the mouth in many insects, designed for sucking.

Origin of rostellum 1750–60; New Latin; Latin: little beak, snout, diminutive of rōstrum snout (see rostrum); for formation, see castellum Examples from the Web for rostellum Historical Examples of rostellum

  • Anthera fere immersa, Rostellum integrum ut in omnibus glandula orbotis Pollinia 8.

    Journals of Travels in Assam, Burma, Bhootan, Afghanistan and The

    William Griffith

  • I want to know whether anything beats in modification the rostellum of Catasetum.

    More Letters of Charles Darwin Volume II

    Charles Darwin

  • Asa Gray’s observations on the rostellum of Gymnadenia are very imperfect, yet worth looking at.

    More Letters of Charles Darwin Volume II

    Charles Darwin

  • One has a rostellum without hooks, like the tni of the vegetable-feeders, the other has hooks like those of the carnivora.

    Animal Parasites and Messmates

    P. J. Van Beneden

  • So in other cases, but I have not completely traced (only seen) that going to the rostellum.

    More Letters of Charles Darwin Volume II

    Charles Darwin

  • British Dictionary definitions for rostellum rostellum noun plural -la (-lə)

    1. biology a small beaklike process, such as the hooked projection from the top of the head in tapeworms or the outgrowth from the stigma of an orchid

    Derived Formsrostellate or rostellar, adjectiveWord Origin for rostellum C18: from Latin: a little beak, from rōstrum a beak rostellum in Medicine rostellum [rŏ-stĕl′əm] n. pl. ros•tel•la (rŏ-stĕl′ə)

    1. A small beaklike part, such as the hooked projection on the head of a tapeworm.

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