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mycophagous
mycoplasma
mycoprotein
mycorrhiza
mycosis
mycosis fungoides
mycotoxin
mycotrophic
mydriasis
myel-
myelencephalon
myelin
myelin sheath
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myeloblast
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mydriasis

my·dri·a·sis [ mi dr əssiss, mī dr əssiss ]


noun 
Definition:
 
excessive dilation of pupils: excessive dilation of the pupils of the eye, usually caused by prolonged drug therapy, coma, or injury to the eye

[Early 19th century. Via Latin< Greek mudriasis]
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