polar plasma

• 极质； 极性细胞质

polar plasma的用法和样例：

例句

1. The middle piece is composed of plasma membrane, AVM, acrosomal vesicle cavity and acrosomal material.
   主体部则由细胞质带围绕细胞核构成。
2. Apoplast is an important compartment outside of plasma membrane of the plant cell and is the source of various primary signals.
   摘要细胞质膜以外的质外体是植物细胞的重要组成部分，质外体是植物细胞的重要信号源和细胞器。