microspora


Mi·cro·spor·a

(mī'krō-spōr'ă), A protozoan phylum, which includes the genera Nosema and Encephalitozoon, is characterized by the presence of unicellular spores with an imperforate wall and an extrusion apparatus having a polar tube and a polar cap; mitochondria are absent. They are intracellular parasites of invertebrates and lower vertebrates, with rare examples in higher vertebrates. Synonym(s): Cnidospora [micro- + G. sporos, seed]

microspora

see MICROSPORIDEA.