basidium造句
1. Basidium (pl. basidia) The cell of the BASIDIOMYCOTA that produces the sexual spores (basidiospores).
2. These are the haploid sexual spores that were produced following meiosis inside the basidium .
3. The walls of hyphae are composed of two layers, while the walls of basidium and basidiospore are composed of three layers.
4. Usually four sterigmata, each bearing one basidiospore , are borne on each basidium.
5. The cultivated mushroom is an exception, with only two sterigmata on each basidium.