opening of external acoustic meatus

ex·ter·nal a·cous·tic pore

[TA] the orifice of the external acoustic meatus in the tympanic portion of the temporal bone. Synonym(s): porus acusticus externus [TA], external acoustic aperture ☆ , external acoustic foramen, external auditory foramen, external auditory pore, opening of external acoustic meatus, orifice of external acoustic meatus

o·pen·ing of ex·ter·nal a·cous·tic me·a·tus

(ō'pĕn-ing eks-tĕr'năl ă-kūs'tik mē-ā'tŭs) The orifice of the external acoustic meatus in the tympanic portion of the temporal bone.