gonophore definition

  • noun:
    • A structure bearing or comprising a reproductive organ or part, such a reproductive polyp or bud in a hydroid colony.
    • An elongated receptacle over the corolla to raise the stamens and carpels.
    • A medusoid bud on a hydroid.
    • A sexual zooid produced as a medusoid bud upon a hydroid, sometimes becoming a free hydromedusa, occasionally remaining attached. See hydroidea, and Illusts. of athecata, campanularian, and gonosome.
    • A lengthened receptacle, bearing the stamens and carpels in a conspicuous fashion.
    • In botany, a prolongation of axis of a flower, bearing the stamens and pistil over the perianth, such as Gynandropsis.
    • In zoology, one of the generative buds or receptacles of the reproductive elements in the hydrozoans or zo√∂phytes.
    • In physiology, any accessory organ of generation which acts to mention or detain the generative services and products of tho gonads or essential sexual body organs of either intercourse. Oviducts and spermiducts of all of the types, and uteri, seminal vesicles, etc., are gonophores.

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