See chromophil substance. [G. tigroeides, fr. tigris, tiger, + eidos, appearance]
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ti·groid 'tī-.grȯid adj
1) having a striped or spotted appearance <pathological changes in the eye resulted in a \tigroid fundus>
2) being or consisting of Nissl substance
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ti·groid (tiґgroid) [Gr. tigroeidēs tiger-spotted] striped like a tiger, as Nissl bodies or a tigroid fundus oculi.Medical dictionary. 2011.