noun
- An immature cell of the bone marrow that develops into a granulocyte (a type of white blood cell).
Usage: medical/hematology term; plural: myeloblasts
Examples
- The patient's blood test revealed an abnormal increase in myeloblasts, suggesting acute myeloid leukemia.
- Myeloblasts are normally found in bone marrow but should not appear in significant numbers in peripheral blood.
- The hematologist examined the bone marrow biopsy to count the percentage of myeloblasts.
- In acute leukemia, myeloblasts multiply uncontrollably and crowd out healthy blood cells.
- Chemotherapy aims to eliminate the leukemic myeloblasts and allow normal bone marrow function to resume.