The human cochlea has approximately 2.5 turns around the modiolus (the axis). Histomorphologic approach for the modiolus with reference to reconstructive and aesthetic surgery. The bony canal of the cochlea takes two and three-quarter turns around the modiolus. The cultivation of "Modiolus capax" in aquaculture has been studied since the 1980's. The modiolus is a conical shaped central axis in the cochlea. An anatomical and analytical study of the modiolus&colon; enlightening its relevance to plastic surgery. The modiolus is not labeled; it's at the axis of the spiral of the cochlea. Modiolus, the horsemussels, are a genus of medium-sized marine bivalve molluscs in the family Mytilidae.