Dikaryon (dicaryon) A fungal hypha or mycelium whose cells each contain two different nuclei, arising from the fusion of two compatible cells, each with one nucleus.

• 双核：真菌的菌丝或菌丝体细胞含有两个不同的细胞核，来源于两个相同的各具有一个细胞核的细胞的融合。