lymphoreticulosis

noun
lym·​pho·​re·​tic·​u·​lo·​sis | \ ˌlim(p)-fō-ri-ˌtik-yə-ˈlō-səs How to pronounce lymphoreticulosis (audio) \
plural lymphoreticuloses\ -​ˌsēz How to pronounce lymphoreticuloses (audio) \

Medical Definition of lymphoreticulosis

: proliferation of phagocytic cells and especially macrophages of the lymph nodes specifically : cat scratch disease