part of part of develops from capable of part of surrounded by vibrational conductance of sound to the inner ear external acoustic meatus UBERON:0001352 galen:ExternalAuditoryMeatus FMA:61734 GAID:864 auditory meatus A tube running from the outer ear to the middle ear. The human ear canal extends from the pinna to the eardrum and is about 26 mm in length and 7 mm in diameter. Wikipedia:External_acoustic_meatus EMAPA:17588 EHDAA2:0000460 external auditory tube MA:0000260 NCIT:C12498 VHOG:0000977 external auditory meatus external auditory canal MESH:D004424 ear canal external acoustic tube EV:0100356 SCTID:181178004 auditory canal EHDAA:8975 external ear anatomical conduit 1st arch pharyngeal cleft auditory meatus epithelium