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external auditory meatus
exter′nal au′ditory mea′tus
n. the canal extending from the opening in the external ear to the tympanic membrane. external auditory meatus
external auditory meatus[ek′stərn·əl ′ȯd·ə‚tȯr·ē mē′ād·əs] (anatomy) The external passage of the ear, leading to the tympanic membrane in reptiles, birds, and mammals. external auditory meatus
ex·ter·nal a·cous·tic me·a·tus [TA] the passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; it consists of a bony (inner) portion and a fibrocartilaginous (outer) portion, the cartilaginous external acoustic meatus. Synonym(s): meatus acusticus externus [TA], acoustic meatus (1) , antrum auris, auditory canal, ear canal, external auditory meatusex·ter·nal a·cous·tic me·a·tus (eks-tĕr'năl ă-kūs'tik mē-ā'tŭs) [TA] The passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; it consists of a bony (inner) portion and a fibrocartilaginous (outer) portion, the cartilaginous external acoustic meatus. external auditory meatus The skin-lined external passage of the ear, leading from the outside to the eardrum (tympanic membrane).auditory canal or external auditory meatus the canal leading from the PINNA (outer ear) to the ear drum.AcronymsSeeEAMThesaurusSeemeatus |