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[Erythroid cells of the bone marrow of the mouse]
Abstract:
The bone marrow of three intact male mice of C57Bl/6 line, fixed by perfusion of isotonic fixative of Karnovsky, has been studied by means of the scanning electron microscopy method. The surface of erythroid cells, that are immediately connected with macrophages of the erythroblasts islets, is analysed. According to the surface form, the erythroid cells are devided into 5 types. Every maturation stage of the erythroid cells is characterized by a certain type of surface. For identification of basophilic and polychromatophilic proerythrocytes the combined method of light and electron scanning microscopy of the cells in suspension is used. The bone marrow cells, obtained from the two male mice of C57Bl/6 line are fixed with the same fixative on special glasses with grids traced on them, stained after Romanovsky-Giemsa method and in moist preparations are examined in the light microscope. After further treatment the surface of the same cells in studied in the scanning electron microscope.
Insights
Scanning electron microscopy reveals five distinct surface morphologies in mouse erythroid cells, correlating with maturation stages. This study enhances understanding of red blood cell development and macrophage interactions within bone marrow.
Area of Science:
- Hematology
- Cell Biology
- Microscopy
Context:
- Bone marrow erythroblastic islets contain macrophages interacting with erythroid cells.
- Understanding the dynamic surface changes of erythroid cells during maturation is crucial for hematopoiesis research.
Purpose:
- To analyze the surface morphology of erythroid cells during different maturation stages using scanning electron microscopy.
- To correlate specific surface features with erythroid cell maturation and identify cell types.
Summary:
- Scanning electron microscopy (SEM) was employed to examine the bone marrow of C57Bl/6 mice.
- Erythroid cells were classified into five types based on their surface morphology, with each type corresponding to a specific maturation stage.
- A combined light and SEM approach was used to identify basophilic and polychromatophilic proerythrocytes.
Impact:
- Provides detailed ultrastructural insights into erythroid cell differentiation.
- Offers a basis for further research into cell-cell interactions within the bone marrow microenvironment.
- Enhances diagnostic potential by linking surface characteristics to specific erythroid cell developmental stages.