occurs in in taxon Trypanosoma brucei trypomastigote stage Trypanosoma brucei lifecycle stage Trypanosoma brucei trypomastigote stage T. brucei trypomastigote stage Chris Stoeckert A trypomastigote stage in the Trypanosoma brucei lifecycle that occurs in the vertebrate host. Priti Parikh Jie Zheng Mammalia cerebrospinal fluid Mammalia blood