Single pedicle microvascular transfers of the serratus anterior and latissimus dorsi muscles in rats

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Abstract
In the rat, the serratus anterior and latissimus dorsi muscles receive axial vascular pedicles from the thoracodorsal artery. This anatomy was confirmed by dissections, and 10 microvascular transfers of the latissimus‐serratus flap on a common pedicle were performed with a 90% success rate. The flaps had an average weight of 1.8 g. This flap is a reliable small animal model for microvascular muscle transplants and contains sufficient tissue to be used in multiple biochemical assays.