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1.动脉干根据胚胎发育的不同情况,将340侧臂部动脉干分成双干型、单干型和过渡型三型。单干型共占87.06%,其中只一支肱动脉的占71.47%。浅肱动脉总的出现率为28.53%较欧美等人的高,其中浅肱动脉向下分成桡、尺动脉的最多占21.77%,而欧美等人浅肱动脉延续为桡动脉者和分叉成桡、尺动脉者极相近。340侧标本中浅桡动脉仅出现2侧。正中动脉向下延伸入手掌的在374侧标本中占3.74%。左右侧动脉干管径的差别自肘部向腕部递减,此外在肘部尺动脉的管径大于桡动脉,到腕部则相反。 2.动脉分支在330侧标本中,分析了肱深动脉和上尺副动脉的起源状况,以两支动脉分别单独起始的最多占47.88%。下尺副动脉起点与肱动脉分叉点之间的距离,平均约为7厘米(224侧)。尺返动脉的起点多接近骨间总动脉的起点,前、后尺返动脉分别起自尺动脉的,在225侧标本中占18.67%。有骨间动脉干的在330侧标本中占85.15%,其中骨间返动脉起自骨间总动脉或骨间后动脉的,分别占43.94%和41.21%。桡返动脉的起点多位于桡动脉近侧段1厘米的范围内。
1. Arterial stems according to the different circumstances of embryonic development, the side of the 340 side of the arterial trunk divided into double-dry type, dry type and transitional type three. Single type accounted for 87.06%, of which only a brachial artery accounted for 71.47%. The total incidence of superficial brachial artery was 28.53% higher than those in Europe and America. The superficial brachial artery was divided into radial and ulnar artery, accounting for 21.77% of the total. The superficial brachial artery in Europe, America and others continued to be radial artery and bifurcated Radial and ulnar artery are very similar. 340 side of the sample in the radial artery only 2 sides. The median artery extends downward into the palm of the 374 specimens in 3.74%. Left and right arterial diameter differences from the elbow to the wrist decreased, in addition to the ulnar ulnar artery diameter larger than the radial artery to the wrist is the opposite. Arterial branches in 330 specimens, the analysis of the origin of the deep brachial artery and the ulnar artery, the two arteries, respectively, up to 47.88% separately. The distance between the inferior vena accessory arteries and the brachial artery bifurcation points averages about 7 centimeters (224 sides). The starting point of the ulnar and retroarticular artery was close to the starting point of the interosseous common arteries. The anterior and posterior ulnar and retroarticular arteries respectively started from the ulnar artery, accounting for 18.67% of the 225 sides. There were 85.15% of the 330 specimens with interosseous artery. Among them, the interosseous retroarterial artery originated from the interosseous artery or posterior interosseous artery, accounting for 43.94% and 41.21% respectively. The origin of the radial artery more than 1 cm proximal radial artery in the range.