Friedrich W, Lierse W, Herberhold C
Department of Neuroanatomy, University Hospital Hamburg, FRG.
Acta Anat (Basel). 1988;131(4):284-91.
In order to clarify the vascularization of the pectoralis major muscle by the pectoral branch of the thoracoacromial artery, morphometric investigations and selective injection studies of the vessel were performed. A comparison with the anatomical orientation points clinically used for locating the vessel and its course confirms that the origin of the artery is at a constant spot at half the sternoacromial distance; the main vessel axis, however, deviates considerably from the clinically used acromioxiphoid axis in lateral direction. The lumen of the thoracoacromial artery has a range of more than 150% of the smallest vessel. Atherosclerotic alterations are not the reason for this variety but only an additional handicap for the vessel capacity. Two types of muscle-perforating arteries were found, and the cutaneous area of blood supply was defined.
为了阐明胸肩峰动脉胸肌支对胸大肌的血管分布情况，我们进行了形态计量学研究以及该血管的选择性注射研究。将其与临床上用于定位该血管及其走行的解剖定位点进行比较后证实，该动脉的起源位于胸骨肩峰距离一半处的固定位置；然而，主血管轴在外侧方向上与临床上使用的肩峰剑突轴有很大偏差。胸肩峰动脉的管腔范围超过最小血管的150%。动脉粥样硬化改变并非这种差异的原因，而只是血管容量的另一个不利因素。发现了两种类型的肌肉穿支动脉，并确定了皮肤供血区域。
