capillary loops of nail fold

例句：

1. 1. The doctorexamined her fingernails and found several capillary loops of nail fold that were infected with bacteria.
   医生检查了她的手指，发现有几根指甲褶皱中的毛细管被细菌感染了。
2. 2.During the examination, the doctor noticed a small capillary loop of nail fold on her left thumb.
   在检查过程中，医生注意到她的左手拇指上有一个细小的指甲褶皱中的毛细管。
3. 3. The patient reported having a painful sensation in the capillary loops of nail fold during the night.
   患者报告说，在夜间有疼痛感在指甲褶皱中的毛细管。