常見例句Subclavian vein stenosis caused by non-hemodialysis reasons is uncommon.非血液透析原因所致的鎖骨下靜脈狹窄少見。Its etiology is assumed to be abnormal embryologic development of the inferior vena cava as a result of atrophy failure of the right subcardinal vein in the lumbar portion.導(dǎo)因為下腔靜脈的異常胚胎發(fā)展結(jié)果導(dǎo)致在腰部的右側(cè)心下靜脈未萎縮。 返回 sublingual vein