An image from a bone marrow smear showing a basophilic normoblast (center-right) with a round nucleus and basophilic cytoplasm and an orthochromic normoblast (center-left) seen in a patient with a normal bone marrow (100X oil immersion).
An image from a bone marrow smear demonstrating two metamyelocytes beside a blast and neutrophil band (center) found in a patient with normal bone marrow (50X oil immersion). Other cell granulocytes and erythroid precursors can be seen surrounding the central cluster
An image from a bone marrow smear showing two orthochromic normoblasts (center-right) beside a polychromatic normoblast (center-left) seen in a patient with a normal bone marrow (100X oil immersion).