Also found in: Dictionary, Encyclopedia, Wikipedia.
Related to dikaryon: basidia, karyogamy, plasmogamy, Imperfect fungi
- a fungal hypha with two types of nuclei in an unfused state in the same cells, so that cytologically they are n+n. When the nuclei are from different genetic strains the individual or cell is called a HETEROKARYON.
- a single animal cell with two nuclei, each from a different species, e.g. mouse and man.