| epiotic | <anatomy> The upper and outer element of periotic bone, in man forming a part of the temporal bone. Origin: Pref. Epi- + Gr, gen, ear. Source: Websters Dictionary (01 Mar 1998) |
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| epiotic centre | The centre of ossification of the petrous part of the temporal bone that appears posterior to the posterior saemicircular canal. (05 Mar 2000) |