elliptocytosis

noun
el·​lip·​to·​cy·​to·​sis | \ i-ˌlip-tə-ˌsī-ˈtō-səs How to pronounce elliptocytosis (audio) \
plural elliptocytoses\ -​ˌsēz How to pronounce elliptocytoses (audio) \

Medical Definition of elliptocytosis

: a human hereditary trait manifested by the presence in the blood of red blood cells which are oval in shape with rounded ends

called also ovalocytosis