hypha

1.The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

试验证明：丛枝菌根真菌菌丝延伸生长部位是菌丝尖端，其生长性是对心引力感应，感应敏感部位也在生长菌丝尖端。

2.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：真菌菌丝或菌丝体含有两个不同核，来源于两个相同各具有一个核融合。