scalenus minimus (muscle)(redirected from Sibson muscle)
sca·le·nus mi·ni·mus (mus·cle)[TA]
an occasional independent muscular fasciculus between the scalenus anterior and medius, and having the same action and innervation.
Synonym(s): musculus scalenus minimus [TA], Albinus muscle (2) , Sibson muscle, smallest scalene muscle
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