| tracheal wall stripe | On a chest radiograph, the linear opacity between air in the trachea and in the right upper lobe. (05 Mar 2000) |
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| trachealgia | Pain in the trachea. Origin: trachea + G. Algos, pain (05 Mar 2000) |
| trachealis | See: trachealis muscle. (05 Mar 2000) |
| trachealis muscle | <anatomy> The band of smooth muscular fibres in the fibrous membrane connecting posteriorly the ends of the tracheal rings. Synonym: musculus trachealis. (05 Mar 2000) |