prohemocyte

例句：

1. 1.The prohemocyte is a rare cell type that can only be found in certain species of fish.
   前血细胞是一种罕见的细胞类型，仅在某些鱼类中存在。
2. 2.During the development of the embryo, prohemocytes are responsible for producing and releasing red blood cells.
   在胚胎发育过程中，前血细胞负责产生并释放红血细胞。
3. 3. Researchers have discovered that prohemocytes play a crucial role in the immune system by producing antibodies against foreign invaders.
   研究人员发现，前血细胞在免疫系统中起着至关重要的作用，它们能够产生抗体来对抗外来入侵者。