File:Reticulocyte.jpg
From Embryology
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Reticulocyte
- contain some cell organelles and are the initial form of erythrocytes (red blood cells, RBCs) that enter the blood (circulation).
- remain for a few days in either bone marrow or spleen to mature to erythrocytes.
- may be visible in blood smears by a very slight basophilic staining (homogeneous or stippling).
Erythropoiesis
- proerythroblast - large, slightly basophilic cell, which contains a large, lightly stained nulceus.
- basophilic erythroblast
- polychromatophilic normoblast
- orthochromic normoblast
- reticulocyte
- erythrocyte
Proerythroblasts
- proliferate to generate a sequence of cells
- each show a gradual decrease in size and condensation of their chromatin.
- each named after changes in the staining (basophilic, polychromatophilic and orthochromic) of their cytoplasm.
- nucleus is finally extruded from the normoblast. The cell enters circulation as a reticulocyte, which still contains some organelles.
- Bone Marrow Histology: Blood Development | Marrow overview | Megakaryocyte | Megakaryocyte detail | Myelocyte | Normoblast | Reticulocyte | Blood Histology | Bone Development | Category:Blood
Links: Histology | Histology Stains | Blue Histology images copyright Lutz Slomianka 1998-2009. The literary and artistic works on the original Blue Histology website may be reproduced, adapted, published and distributed for non-commercial purposes. See also the page Histology Stains.
Cite this page: Hill, M.A. (2024, May 6) Embryology Reticulocyte.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Reticulocyte.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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