trachealis muscle

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tra·che·a·lis mus·cle

(trā-kē-ā'lis mŭs'ĕl)
The band of smooth muscular fibers in the fibrous membrane connecting posteriorly the ends of the tracheal rings.
Synonym(s): musculus trachealis [TA] .
References in periodicals archive ?
An extrinsic compression of the mid-trachea and trachealis muscle from posterior was seen with 90% lumen compression but without direct invasion of the trachea (Figure 1).
Additionally, the presence of complete tracheal rings would prevent any stretch in the trachea, unlike in mammals where the fibroelastic membrane and trachealis muscle can elongate in response to stress, making an exact fit more critical in birds.
The trachealis muscle was dissected free from the cartilage, washed twice in Hank's solution containing penicillin 100 IU [mL.