In most basidiomycotes the basidia are borne on a special fertile layer, the hymenium, on the surface of a fruiting body, the BASIDIOMA.

大多数担子菌中，担子是由一个专育层，即子实体子实层形成。

Hymenium (pl. hymenia) A layer of the fruiting body of certain ascomycete and basidiomycete fungi in which the asci or basidia are borne.

真菌根据其“果实”（子实体译者注）结构特征分为三大类：接合菌类、子囊菌类和担子菌类。