segmental artery

基本解釋

There may be two (36%) or three (46%) segmental arteries supplying the right upper lobe.
分佈於右肺上葉的動(dòng)脈可有二個(gè)支（36%），也可有三個(gè)支（46%）。
Variations in the number, origin and distribution of the apical and lower segmental arteries have been described.
頂、下段動(dòng)脈的數(shù)目、起源和分佈範(fàn)圍常有變化。
Conclusions The pulmonary segmental arteries and veins can be recognized exactly by tracing bronchi carefully on the coronal section.
結(jié)論在胸部冠狀斷麪上，以支氣琯分支爲(wèi)曏導(dǎo)可準(zhǔn)確辨認(rèn)肺段和亞肺段的肺動(dòng)脈和肺靜脈。