1. Immature bone marrow cells that are precursors to myelocytes and other white blood cells; abnormally high numbers indicate certain blood disorders or leukemia.
Usage: medical/hematology term; plural form of myeloblast; typically used in clinical and laboratory contexts

Examples

• The bone marrow biopsy revealed an abnormal increase in myeloblasts.
• Acute myeloid leukemia is characterized by the rapid proliferation of myeloblasts.
• The laboratory technician counted the myeloblasts under the microscope.
• High numbers of myeloblasts in the blood can indicate a serious hematologic disorder.
• Treatment aims to reduce the population of leukemic myeloblasts in the patient's bone marrow.