Bursa subtendinea

例句：

1. 1.The doctor examined the patient's blood vessels to determine the cause of the pain.
   医生检查了患者的血管以确定疼痛的原因。
2. 2. The researcher studied the microvasculature of the skin to understand its function.
   研究者研究皮肤的微血管系统，以了解其功能。
3. 3.The surgeon performed a delicate procedure on the small vessels in her arm.
   外科医生在手臂的小血管上执行了一个精细的操作。