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The page below is a sample from the LabCE course Red Blood Cell (RBC) Morphology. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about Red Blood Cell (RBC) Morphology (online CE course)

The prekeratocyte becomes a keratocyte when the vacuole ruptures, leaving a damaged cell that resembles a 'helmet' as seen in this image. Keratocytes are also referred to as 'horn' cells because they resemble a red cell with two horns.