syndactyly of finger tip

例句：

1. 1. The child has syndactyly in both hands, which can affect his ability to play sports.
   这个孩子双手都有并指，这可能会影响他进行体育活动的能力。
2. 2. Syndactyly is a rare condition that affects the fingers and toes of some individuals.
   并指是一种罕见的状况，会影响某些人的手指和脚趾。
3. 3. In some cases, syndactyly may be caused by congenital malformations or genetic factors.
   在某些情况下，并指可能是由先天性畸形或遗传因素引起的。