What is the name for a single filament of fungal growth For

What is the name for a single filament of fungal growth? For an entire mass of filaments? How would you know if a fungal filament was haploid or dikaryotic?

3. the name of single filament of fungal growth is called hypha which is a longfilamentous structure. the entire mass of of filaments is known as hyphae. these are thread like structures