What is the last stage of hemoglobinization?

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What is the last stage of hemoglobinization?

Hemoglobinization happens as red cell precursors mature, with hemoglobin synthesis continuing through the later erythroid stages until the cell is ready to enter circulation. The final phase of Hb production occurs during the reticulocyte stage. After the nucleus is expelled, reticulocytes still generate hemoglobin for a short time (and appear with a bluish tint due to residual RNA on certain stains), but once they mature into fully erythrocytes, Hb synthesis ceases. Thus, the last stage where hemoglobinization completes is the reticulocyte.

Hemoglobinization happens as red cell precursors mature, with hemoglobin synthesis continuing through the later erythroid stages until the cell is ready to enter circulation. The final phase of Hb production occurs during the reticulocyte stage. After the nucleus is expelled, reticulocytes still generate hemoglobin for a short time (and appear with a bluish tint due to residual RNA on certain stains), but once they mature into fully erythrocytes, Hb synthesis ceases. Thus, the last stage where hemoglobinization completes is the reticulocyte.

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