otolithic membrane morphology trait Any measurable or observable characteristic related to the shape, structure, color or pattern of the gelatinous membrane which is supported by the stereocilia of the hair cells of the maculae of the saccule and utriculus of the inner ear; adhering to its surface are numerous calciferous crystalline particles called otoliths (statoconia). Trait.ontology VT:0002895 membrana statoconiorum morphology trait statoconial membrane morphology trait otolith organ morphology trait