Rostellum meaning

rŏ-stĕləm
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A small beaklike part, such as a projection on the stigma of an orchid or the hooked projection on the head of a tapeworm.
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A sterile, flaplike modified stigma that separates the anthers from the stigmas in some orchids.
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A small beaklike part, such as a projection on the stigma of an orchid or the hooked projection on the head of a tapeworm.
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A small beak-like process or extension; a small rostrum.

The rostellum of the stigma of violets, or of the operculum of many mosses.

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(botany) A projecting part of the column in the flower of an orchid that separates the male stamen from the female gynoecium.
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(biology) A retractable protruding part at the anterior end of a soft-bodied tapeworm; the scolex from which it protrudes is often armed with hooks which serve to keep it in place attached to the host.
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Origin of rostellum

  • Latin diminutive of rōstrum beak rostrum

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

  • From Latin, diminutive of rostrum (“beak").

    From Wiktionary