organ of Corti morphology trait organ of Corti supporting cell morphology trait Any measurable or observable characteristic related to the shape, structure, color or pattern of the highly differentiated epithelial cells with distinctive morphological features surrounding the hair cells in the organ of Corti; inner hair cells (IHCs) are normally surrounded by (inner and outer) phalangeal cells while OHCs are in contact with Deiters and pillar cells; Hensen cells are positioned further laterally in the organ of Corti. Trait.ontology VT:0004300