sporidium

[spə-rĭd′ē-əm, spô-]

n. pl. spo•rid•i•a (-ē-ə)

A protozoan spore.
A protozoan organism in its embryonic stage.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.