sporosac

Century Dictionary and Cyclopedia

1. 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.
2. n. In Vermes, a sporocyst or redia. See Sporocyst .

Wiktionary

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

GNU Webster's 1913

1. n. A hydrozoan reproductive zooid or gonophore which does not become medusoid in form or structure. See Illust. under athecata.
2. 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.