-
1. The ectocyst is the first layer of cells thatforms during the early stages of embryonicdevelopment in many animals.
许多动物胚胎发育初期形成的第一层细胞是外胚层。
-
2.In humans, the ectocyst is responsible for forming the outermostlayer of the skin and hair follicles.
在人类中，外胚层负责形成皮肤的最外层和毛囊。
-
3. Thestudy of ectocystdevelopment has important implications for understanding how organisms adapt to their environments.
研究外胚层发育对理解生物适应环境具有重要意义。