crescent cell -->
sickle cell
medical dictionary

<haematology, pathology> An erythrocyte that changes from the normal discoid shape to a sickled shape when the oxygen tension is low.

The pesence of these cells indicates that the patient is homozygotes for the allele that codes for haemoglobin S and that the patient has sickle cell anaemia.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)