| 1. | A wide anastomosis connecting transversely the intercostals arteries can be observed on the thoracic segments , which located on the intervertebral foramen and musculus sacrospinalis nearby , while anastomosis on lumbar segments on iliopsoas muscle and psoas major . 3 胸段毗邻的肋间动脉吻合主要是椎间孔周围和骶棘肌内两处;而腰段还有椎体侧面的骼腰肌和腰大肌中的吻合。 |