ophthalmic placode

例句：

1. 1.The ophthalmic placode is a critical part of the development of the eye.
   眼科皮片是眼睛发育的关键部分。
2. 2.During embryonic development, the ophthalmic placode undergoes significant changes.
   在胚胎发育过程中，眼科皮片经历了显著的变化。
3. 3. Researchers are exploring the role of the ophthalmic placode in eye development.
   研究人员正在探索眼科皮片在眼睛发育中的作用。