Modiolus can refer to:
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Modiolus (cochlea)
The modiolus is a conical shaped central axis in the cochlea. The modiolus consists of spongy bone and the cochlea turns approximately 2.75 times around the central axis in humans. The cochlear nerve, as well as spiral ganglion is situated inside ...
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Modiolus (face)
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''Modiolus'' (bivalve), a genus of mussels in the Mytilidae
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