bacteroid

1.There is a space between a peribacteroid membrane and a bacteroid cell wall, the size of spaces is variable in different bacteroids or the different parts of a bacteroid.

在周胞壁之间有一个环形腔隙，腔的大小随部位不同而异。

2.Bacteroid A modified bacterial cell in a root nodule, typically a cell of the bacterium Rhizobium in the root nudule of a leguminous plant (family Fabaceae).

类：在根瘤中经过修饰的胞，比较典型的是在豆科植物根瘤中的根瘤（蝶形花科）。