abnormal stria vascularis morphology abnormal melanocyte morphology abnormal strial intermediate cell morphology MP:0004367 MPheno.ontology abnormal cochlear melanocytes abnormal otic melanocytes abnormal stria vascularis intermediate cells abnormal stria vascularis melanocytes abnormal strial intermediate cells abnormal strial melanocytes any structural anomaly in the melanocytes known to migrate from the neural crest during ontogeny to become located between the epithelial marginal cell layer and the mesodermal basal cell layer within the intrastrial space; the predominant cellular component of the electrogenic machinery that generates an endocochlear potential (80-100 mV) abnormal otic pigmentation