A congenital form of anemia occurring mostly in blacks; characterized by abnormal blood cells having a crescent shape.

synonyms: crescent-cell anaemia, crescent-cell anemia, drepanocytic anaemia, drepanocytic anemia, sickle-cell anemia, sickle-cell disease.

Dutch: sikkelcelanemie
Polish: niedokrwistość sierpowata, niedokrwistość sierpowatokrwinkowa, anemia sierpowata