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  • 1970-1974  (2)
  • 1905-1909
  • Life and Medical Sciences  (1)
  • Rubrospinal cells  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Topography of rubrospinal units in the cat (1972)
    Springer
    Experimental brain research 14 (1972), S. 363-371 
    Details
    ISSN: 1432-1106
    Keywords: Rubrospinal cells ; Unit recording ; Topographical organization ; Conduction velocity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Mapping of cells at the origin of the rubrospinal tract was conducted in the cat. 1. Rubrospinal neurons sending efferents to cervico-thoracic segments of the spinal cord are located in the dorso-medial part of the nucleus. These neurons are especially medial in the caudal planes and especially dorsal in the rostral planes. Neurons with efferents terminating at the level of lumbo-sacral segments of the cord occupy the ventro-lateral part of the nucleus. These neurons are especially lateral in the caudal planes and especially ventral in the rostral planes. The limit between these two cell populations is clear in the caudal and middle thirds of the nucleus but considerable overlap is seen in the rostral third. These results agree with the anatomical findings of Pompeiano and Brodal (1957). 2. For the population of lumbar neurons the conduction velocities ranged from 31 m/sec to more than 120 m/sec with a mean of 85 m/sec. 3. Rubrospinal cells are found throughout the nucleus. The most caudal planes are essentially composed of cells with rapidly conducting fibers whereas in the middle and rostral planes a cell population with increasingly slower conducting fibers appears. The results of the present study are discussed in relation to classical data on the magnocellular and parvocellular divisions of the red nucleus. 2.The third author acknowledge the personal support of the Medical Research Council of Canada.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00235033
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Plasmacytopoiesis in the pronephros of the carp (Cyprinus carpio) (1970)
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 167 (1970), S. 351-369 
    Details
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: A light and electron microscopy study of the structure of the pronephros of the carp, Cyprinus carpio, revealed lymphocytopoiesis, plasmacytopoiesis and erythrocytopoiesis. In addition to the lymphocytes of various sizes, there were transitional cells which had characteristics of both lymphocytes and plasma cells. Some of the plasmacytoid cells had a configuration of cytoplasmic granules suggestive of the Russell body formation described in higher mammalian forms. When India ink particles were injected into the fish intraperitoneally, macrophages containing this marker could be found in the pronephros. The highly vascular structure of this organ emphasized the close association of the cellular elements with the circulating blood. In view of the cell population of the pronephros and its role as a major source of cells producing antibody, it may well represent a primitive prototype of the more advanced mammalian lymph node.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ar.1091670308
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    Paper (German National Licenses)
    Fulltext
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