Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hydrozoan reproductive zooid or simple form of gonophore which does not become medusoid in form or structure
  • n. 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.

from the GNU version of the Collaborative International Dictionary of English

  • n. A hydrozoan reproductive zooid or gonophore which does not become medusoid in form or structure. See Illust. under athecata.
  • n. 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 The Century Dictionary and Cyclopedia

  • n. 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.
  • n. In Vermes, a sporocyst or redia. See Sporocyst .

Etymologies

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