Definitions

from The Century Dictionary.

  • noun In Hydrozoa, a degenerate medusiform person; one of the simple generative buds or gonophores of certain hydrozoans in which the medusoid structure is not developed.
  • noun In Vermes, a sporocyst or redia. See Sporocyst .

from the GNU version of the Collaborative International Dictionary of English.

  • noun A hydrozoan reproductive zooid or gonophore which does not become medusoid in form or structure. See Illust. under athecata.
  • noun An early or simple larval stage of trematode worms and some other invertebrates, which is capable of reproducing other germs by asexual generation; a nurse; a redia.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun botany A hydrozoan reproductive zooid or simple form of gonophore which does not become medusoid in form or structure
  • noun zoology An early or simple larval stage of trematode worms and some other invertebrates, which is capable of reproducing other germ cells by asexual generation; a redia.

Etymologies

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Examples

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