…a short-handled farming tool with a semicircular blade, used for cutting corn, lopping, or trimming…
…a severe hereditary form of anaemia in which a mutated form of haemoglobin distorts the red blood cells into a crescent shape at low oxygen levels. It is commonest among those of African descent…
…a relatively mild condition caused by the presence of a single gene for sickle-cell anaemia, producing a smaller amount of abnormal haemoglobin and conferring some resistance to malaria…
…the symbols of the industrial worker and the peasant used as the emblem of the former Soviet Union and of international communism…
…a severe hereditary form of anaemia in which a mutated form of haemoglobin distorts the red blood cells into a crescent shape at low oxygen levels. It is commonest among those of African descent…
