Abstract:Arterial variations are quite common. Many studies had elaborated variations in branching pattern of subclavian artery. Present study illustrates a unique feature of scalenus anterior muscle having two heads of origin and a common trunk for internal thoracic artery (ITA) and thyrocervical trunk (TCT). This rare common trunk passes between two heads of right scalenus anterior. Such rare variation was not reported so far. The rarity of such variation signifies the necessity of the present study. On the left side… Show more
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