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  • 1985-1989  (5)
  • 1980-1984  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Early Morphological Differentiation of the Bipolar Neurons in the Chick Retina A Golgi Analysis (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Anatomia, histologia, embryologia 10 (1981), S. 0 
    Details
    ISSN: 1439-0264
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We report a histogenetic study of the bipolar cells of the chick embryo retina between days 5 and 9, using the Golgi technique. On day 8, at the level of the developing outer plexiform layer, small delicate spines appear on the outer processes of the bipolar cells, which represents the commencement of their dendritic ramification. At a later staige in development che detachment of Landolt's club from the outer limiting membrane is observed in some cells The inner ramifications of the bipolar cell, at the inner plexiform layer, appear later than those of the outer process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0264.1981.tb00697.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Centrifugal Fibers in the Chick Retina (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Anatomia, histologia, embryologia 17 (1988), S. 0 
    Details
    ISSN: 1439-0264
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: This work is a morhological study of the centrifugal fibers in the chick retina. We have classified these fibers in two types: type I centrifugal fibers and type II centrifugal fibers. Type I centrifugal fibers constitute a new model of axonic terminal in the birds retina. These fibers terminate exclusively in the inner plexiform layer where they show long tangential trajectories. Type II centrifugal fibers are coincident with classical ones previously described in the avian retina. With the Golgi method we describe new levels of terminations of these type II centrifugal fibers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0264.1988.tb00570.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    New Morphological Aspects of the Bipolar Cell in the Chick Embryo: The Accessory Prolongation (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Anatomia, histologia, embryologia 15 (1986), S. 0 
    Details
    ISSN: 1439-0264
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Using the silver-staining techniques of Golgi Colonnier and Golgi-Stensaas, we have found a new morphological datum in the study and understanding of the structure of the bipolar cell in the chick retina. We describe the existence of a prolongation, possibly dendritic in nature, which sets out from the inner network and separates from its companions following a short path through the outer plexiform layer to terminate freely. It appears for the first time on the 10th day of incubation and always in bipolar cells whose outer branching has its dendritic pattern well-defined. We have named it the accessory prolongation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0264.1986.tb00539.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The Interplexiform Cell in the Chameleon Retina (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Anatomia, histologia, embryologia 12 (1983), S. 0 
    Details
    ISSN: 1439-0264
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A microscopic study of the retina of the adult chameleon has been carried out, following the Golgi staining method as modified by Colonnier.As a result of the observations made a cell stock is described, which has been identified on the basis of its characteristics as an Interplexiform Cell, and two different types of this cell are described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0264.1983.tb01003.x
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  • 5
    Electronic Resource
    Electronic Resource
    Short axon ganglion cells in the chick retina (1989)
    Springer
    Cellular and molecular life sciences 45 (1989), S. 92-94 
    Details
    ISSN: 1420-9071
    Keywords: Retina ; ganglion cells ; axon ; chick
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Using Golgi's staining technique, we investigated some ganglion cells whose axons do not project out of the retina area. These axons, after following a short trajectory through the optic nerve fiber layer or through the 5th stratum of the inner plexiform layer (IPL), change their direction and end in the inner stratum of the IPL.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01990458
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Dense core vesicles during photoreceptor development (1984)
    Springer
    Cellular and molecular life sciences 40 (1984), S. 1149-1151 
    Details
    ISSN: 1420-9071
    Keywords: Chick embryo ; retina ; photoreceptor ; dense core vesicles
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The presence of dense core vesicles in the terminal expansions of photoreceptors in development is decribed in the chick embryo retina, from the 16th to the 18th day of incubation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01971467
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  • 7
    Electronic Resource
    Electronic Resource
    Early development of the granule cell in the cerebellum of the chick embryo (1983)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 178 (1983), S. 323-334 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The sequence of differentiation of the cerebellar granule cell in chick embryos from the eighth to the 15th days of incubation has been studied in Golgi-stained celloidin sections. In the germinal-cell phase, the presumptive granule cell sends out one or two horizontal processes which may originate either in the body of the cell or in the extension which attaches it to the pial surface. Thus the germinal cell may be converted into either a monopolar or a bipolar presumptive granular cell. Bipolar cells may have two processes of the same length (symmetrical cells) or of unequal length (asymmetrical cells). In the symmetrical as well as asymmetrical bipolar cells the leading process is formed, by means of which the perikaryon emigrates until it situates itself definitely in the internal granular layer. Thus, symmetrical and asymmetrical bipolar cells give rise to a granule cell with parallel fibers of equal or different lengths. The monopolar element may originate a second process or may remain in the monopolar phase until it reaches the internal granular layer. Once there, it completes the formation of the parallel fibers.
    Additional Material: 32 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051780309
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  • 8
    Electronic Resource
    Electronic Resource
    Morphological and structural study of Landolt's club in the chick retina (1985)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 184 (1985), S. 205-214 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Light and electron microscopy were used to study Landolt's club of the bipolar cells in the newborn chick retina as well as in early embryonic stages. In the embryo, the bipolar cells were connected to the outer limiting membrane by Landolt's club. Some of the bipolar cells disconnect from this membrane, by complete retraction of Landolt's club, giving rise to bipolar cells without this process. The newly hatched chick, was used for analysis of the ultrastructure of Landolt's club. Zones of apposition between Muller cells and Landolt's club are associated with cytoplasmic vesicles in both cells. Muller cells appear to transmit vesicular material, possibly nutrients, to bipolar cells through Landolt's club. Thus, Landolt's club provides substrates to bipolar cells in the poorly vascularized region of the chick retina.
    Additional Material: 40 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051840210
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  • 9
    Electronic Resource
    Electronic Resource
    Bipolar cells in the chicken retina (1988)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 197 (1988), S. 337-351 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Using the Golgi staining method with the modification suggested by Colonnier (J. Anat. 98:327, 1964), we have carried out a morphological study of the bipolar cells of the chicken and classified them into various morphological types. In the classification given we have described the existence of seven main groups of bipolar cells that differ in shape and spread of their dendritic network. In addition, within each of these groups we have taken into account other morphological features, such as the presence and position of Landolt' s club, the size of the dendritic field, the presence of an accessory dendritic process, the position of the perikaryon in the INL. The stratification of the axonal ending is demonstrated but cannot be related to the classification based on dendritic morphology that we have chosen.
    Additional Material: 121 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051970308
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