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  • Cytokinesis  (1)
  • Elastic fibers  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Microfibrils: a constitutive component of reticular fibers in the mouse lymph node (1990)
    Springer
    Cell & tissue research 262 (1990), S. 199-201 
    Details
    ISSN: 1432-0878
    Keywords: Microfibrils ; Elastic fibers ; Reticular fibers ; Lymph node ; Tannic acid-uranyl acetate staining ; Mouse bgJ/bgJ-C57BL/6
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Fibrous components other than collagen fibrils in the reticular fiber of mouse lymph node were studied by electron microscopy. Bundles of microfibrils not associated by elastin and single microfibrils dispersed among collagen fibrils were present. The diameter of the microfibrils was 13.29±2.43 nm (n=100). Elastin-associated microfibrils occurred at the periphery of the reticular fiber. Elastin was enclosed by microfibrils, thus forming the elastic fiber, which was clearly demonstrated by tannic acid-uranyl acetate staining. In the reticular fiber of lymph nodes, the elastic fiber consisted of many more microfibrils and a small amount of elastin. These microfibrils, together with the collagen fibrils, may contribut to the various functions of the reticular fibers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00327763
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  • 2
    Electronic Resource
    Electronic Resource
    Ultrastructural study of a cytoplasmic bridge connecting a pair of erythroblasts in mice (1991)
    Springer
    Cell & tissue research 264 (1991), S. 215-219 
    Details
    ISSN: 1432-0878
    Keywords: Erythroblast ; Cytokinesis ; Cytoplasmic bridge ; Fetal liver ; Erythropoiesis ; Electron microscopy ; dd Mice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary A unique cytoplasmic connection between erythroblasts was studied by electron microscopy in mouse hemopoietic tissues (fetal liver, fetal and neonatal spleen and adult bone marrow). Many pairs of interphase erythroblasts were connected by a “cytoplasmic bridge” that was very thin and sometimes long in comparison with telophase bridges. The stage of maturation of the cells in a pair was similar. Small numbers of microtubules ran along the cytoplasmic bridge; a mid-body was not seen. The plasma membrane at approximately the middle of the bridge bulged to form a ring-shaped ridge filled with dense amorphous substances; this was called a “bulging ring”. Thus, the cytoplasmic bridge between erythroblasts did not morphologically correspond to the telophase bridge in the usual cytokinesis. Cytoplasmic bridges were observed in various differentiating stages of erythroblasts, whereas other cell types of the hemopoietic lineage did not have such a bridge. The cytoplasmic bridge is unique to erythroblasts and provides an evidence for the atypical cytokinesis of the erythroblastic lineage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00313958
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    Paper (German National Licenses)
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