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  • Fast synapse  (1)
  • Keratosis/*chemically induced  (1)
  • 1
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    Hyperkeratosis induced by sunlight degradation products of the major polybrominated biphenyl in Firemaster (1981)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1981-08-21
    Description: Sunlight photodegradation of 2,2', 4,4', 5,5' -hexabromobiphenyl, the major component of Firemaster, gave a mixture that produces severe hyperkeratosis of the rabbit ear. This component in its pure state does not cause hyperkeratosis. One or more of the four major photolysis products must be responsible for this activity. A similar photodegradation pattern was observed for 2,2', 3,4,4', 5,5' -heptabromobiphenyl, the second largest component of Firemaster.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Patterson, D G -- Hill, R H -- Needham, L L -- Orti, D L -- Kimbrough, R D -- Liddle, J A -- New York, N.Y. -- Science. 1981 Aug 21;213(4510):901-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6266016" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biphenyl Compounds/radiation effects ; Chemical Industry ; Disease Models, Animal ; Environmental Exposure ; Keratosis/*chemically induced ; Michigan ; Photochemistry ; *Polybrominated Biphenyls/radiation effects ; Rabbits ; Sunlight
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
    Electronic Resource
    Electronic Resource
    Comparison of fast and slow synaptic terminals in lobster muscle (1981)
    Springer
    Cell & tissue research 221 (1981), S. 303-310 
    Details
    ISSN: 1432-0878
    Keywords: Neuromuscular terminal ; Fast synapse ; Slow synapse ; Lobster ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Synaptic terminals of fast (FCE) and slow (SCE) excitatory neurons were physiologically identified on separate fibres of one muscle, the closer muscle in lobster claws. The innervation by these identified fibers was demonstrated over long distances (7–21 μm) by examining serial thin sections at periodic intervals. The ultrastructure of each type of innervation was consistent both qualitatively and quantitatively in two separate samples. The FCE innervation is relatively simple in having consistently small-diameter terminals each forming a single long synapse, with few synaptic vesicles, and little if any postsynaptic apparatus. The SCE innervation is more complex in having larger-diameter but more variable terminals forming several short synapses, with many synaptic vesicles and an extensive postsynaptic apparatus. These differences in the size of the synapses and the number of synaptic vesicles parallel differences in transmitter release and fatigue sensitivity characteristic of the two types of innervation. The degree of elaboration of the postsynaptic apparatus may reflect differences in the amount of transmitter taken up after release. Our data reveal for the first time in a single muscle differences between FCE and SCE innervation previously reported in different muscles and in different species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00216734
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    Paper (German National Licenses)
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