Amyotrophic lateral sclerosis
Jul. 10, 2023
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Cross section of the temporal bone through the external auditory meatus, the tympanic cavity surrounding the bones of the middle ear, the superior and horizontal semicircular canals, and the cochlea. Illustration from Tabula 45 of Bartolomeo Eustachi’s Tabulae Anatomicae (Eustachii 1714).