MIKSOMISETHO (Myxomycctn; az yun. tukha — luob va mykes — zanburug), organizmhoi zanburug simoi bekhlorofil. Qarib 400 namud dorand; beshtari onho kosmopolit (hama joy pahnshuda) meboshand. Fazai vegetativiashon diploidi, dar namudi massai bisyoryadrogii protoplazmi — plazmodiya (andozaashon az yakchand mm to 1 m) ast. Miksomisetho az hisobi sporaho meafzoyand. Onho odatan dar chubi pusida yo boqimondahoi nabotot, dar jangalho va joyhoi namnok inkishof meyoband. Aksari Miksomisetho saprofitod bazeashon angezandai bemorihoi rastanihoi bogi (mas., nogari karam) meboshand.