modiolus

modiolus, pl. modioli (mo-dI´o-lus, -o-lI)

1. [NA] The central cone-shaped core of spongy bone about which turns the spiral canal of the cochlea. 2. m. labii [L., the nave of a wheel]
m. la´bii a point near the corner of the mouth where several muscles of facial expression converge.columella cochleae, modiolus (2);

 

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