alleryStart learning →Which precursor ejects its nucleus and most organelles before maturing into an erythrocyte?
AThe megakaryoblast
BThe myeloblast
CThe hemocytoblast
DThe reticulocyte
Answer & Solution
Correct answer: D. The reticulocyte
1. The erythrocyte lineage runs from myeloid stem cell to proerythroblast to reticulocyte to mature erythrocyte.
2. The reticulocyte is the stage that ejects the nucleus and most other organelles.
3. Megakaryoblasts belong to the platelet line and myeloblasts to the granular leukocyte line, so neither is on the erythrocyte path.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 18 "The Cardiovascular System: Blood", section 18.2 Production of the Formed Elements_
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