英语语法分析

Arteriovenous anastomoses are best developed in the digits.

指趾部有丰富的动静脉吻合。

Cerebral aneurysm and arteriovenous malformation are frequent disease of cerebral vessels.

脑动脉瘤和脑动静脉畸形是脑血管最常见的疾病。

Standard arteriovenous graft access requires 2 weeks before cannulation to avoid complications from early access.

标准动静脉穿刺前访问需要避免并发症的早期访问2周。