What is "sporosac"

Sporosac \Spo"ro*sac\ (sp[=o]"r[-o]*s[a^]k), n. [Spore + sac.] (Zo["o]l.)

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

2. 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.

n. 1 (context botany English) A hydrozoan reproductive zooid or simple form of gonophore which does not become medusoid in form or structure 2 (context zoology English) An early or simple larval stage of trematode worms and some other invertebrates, which is capable of reproducing other http://en.wikipedia.org/wiki/germ%20cells by asexual generation; a redia.