Thallic conidiogenesis
Thallic conidiogenesis (Gr. thallos = a branch) occurs by conversion of a pre-existing hyphal element in which terminal or intercalary cells of a hypha become cut off by septa. Two kinds of thallic development have been distinguished: holothallic (Gr. holos = whole, entire) and thallic-arthric (Gr. arthron = a joint).