sporocyst

1) Larval form of trematode (fluke) that develops in its molluscan host, generally a snail. The sporocyst forms a simple sac-like structure with germinal cells that bud & develop into other larval forms 2) A secondary cyst that develops within the oocyst of Coccidia. The sporocyst develops from a sporoblast & produces one or several sporozoites during sporogony.

Related

Coccidia sporoblast (zygotomere) sporogony sporozoa sporozoite

References

Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995