The modiolus (plural: modioli) may refer to one of two different anatomical structures, both in the head and neck region:
History and etymology
The Latin word, "modiolus" means hub of a wheel, and is well-named, as in both the cochlea and at the angle of the mouth, the two modioli act as central foci around which other structures converge. Modiolus is a diminutive form of "modius" meaning a measure of grain (one sixth of a bushel) 1,2.
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