part of part of contributes to morphology of head subdivision of head ear external ear MA:0000258 outer ear Wikipedia:External_ear GAID:104 BTO:0002100 FMA:52781 auris externa EV:0100354 MIAA:0000147 EFO:0004221 MESH:D004431 XAO:0000190 UBERON:0001691 EMAPA:16991 Part of the ear external to the tympanum (eardrum). It typically consists of a tube (the external auditory meatus) that directs sound waves on to the tympanum, and may also include the external pinna, which extends beyond the skull[GO]. SCTID:420893000 VHOG:0000311 NCIT:C12292 EHDAA2:0000462 AAO:0011037 EHDAA:3786 BIRNLEX:1705 auricular region of head MAT:0000147 auricular region lateral structure