rickettsia [rɪˈkɛtsɪə] (pl. rickettsiae -ɪiː 或 rickettsias)
any of a group of very small bacteria that include the causative agents of typhus and various other febrile diseases in humans. Like viruses, many of them can only grow inside living cells, and they are frequently transmitted by mites, ticks, or lice 立克次氏体
Genus Rickettsia, order Rickettsiales; Gram-negative rods 立克次氏体属,立克次氏体目;革兰氏阴性杆菌
派生 rickettsial adjective 语源
modern Latin, named after Howard Taylor Ricketts (1871–1910), American pathologist