<embryology> The encysted form of the fertilised macrogamete, or zygote, in coccidian Sporozoea in which sporogonic multiplication occurs.

This results in the formation of sporozoites, infectious agents for the next stage of the sporozoan life-cycle.

Origin: G. Oon, egg, + kystis, bladder

(05 Mar 2000)

OO, oo, oo-, OOA, oocyesis < Prev | Next > oocyte, oocyte donation, oocyte expression

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