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In 1952, Perner found spherical Cytoplasmic granules in onion which he thought to be new organellae and called spherosomes"2%. He reported that onion spherosomes were spherical, 0.6-1.4,u in diameter, refracted light strongly, appeared in the mitochondrial fraction on differential centrifugation, were basophilic and were rich in lipid and cytochrome oxidase. Subsequently, spherosomes have been found in many plants3-6'. However, the cytochemistry of spherosomes has been little studied and theirdoi:10.15281/jplantres1887.75.344 fatcat:qvt2q7dssnhslpsmpxtbutbfeq