| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| External acoustic duct | Medicine | The passage leading inward through the tympanic portion of the temporal bone, from the auricle to the membrana tympani. It consists of an osseous portion and a fibrocartilaginous portion. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
