异种的

Objective To evaluate the histological characteristics of xenogeneic graft-versus-host disease(GVHD),and to differentiate it from the allogeneic GVHD.

目了解异种移植物抗宿主病(GVHD)组织学特点，与同种GVHD区别及异种脾脏移植关系。

The reproductive isolation among sympatric Pedicularis species is influenced by the differences of pollinator behavior and floral form via ethological isolation and mechanical isolation.

另一方面是通过离制，即熊蜂不同行为以及植物部结构上差异避免柱头与熊蜂携带异种粉接触。