Majority of city names listed taken from http://www.state.tx.us/category.jsp?language=eng&categoryId=11.1
See also:
... Arachnoid cysts[?] Arachnoiditis[?] Arakawa'sa syndrome II[?] Arbovirosis[?] Arc syndrome[?] Aredyld syndrome[?] AREDYLD[?] Arginase deficiency[?] ...