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  • Cell & Developmental Biology  (1,294)
  • EOS
  • 1995-1999  (899)
  • 1950-1954  (275)
  • 1935-1939  (126)
  • 1997  (441)
  • 1996  (458)
  • 1954  (129)
  • 1952  (146)
  • 1938  (126)
Collection
Publisher
Years
  • 1995-1999  (899)
  • 1950-1954  (275)
  • 1935-1939  (126)
Year
  • 1
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    In:  Trans., Am. Geophys. Union, Milano, Gustav Fischer, vol. 19, no. 6, pp. 156, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Publication Date: 1938
    Keywords: Velocity analysis ; Applied geophysics ; NOISE ; Acoustics ; EOS
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  • 2
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    In:  Trans., Am. Geophys. Union, Milano, California Institute of Technology Pasadena, vol. 33, no. 6, pp. 427-431, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Publication Date: 1952
    Keywords: Waves ; Seismometer ; Seismology ; EOS
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  • 3
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    In:  Trans., Am. Geophys. Union, Milano, California Institute of Technology Pasadena, vol. 33, no. 6, pp. 573-584, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Publication Date: 1952
    Keywords: Waves ; SV waves ; Shear waves ; Seismology ; SH waves ; EOS
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  • 4
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    In:  Trans., Am. Geophys. Union, Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 33, no. 6, pp. 759-762, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Publication Date: 1952
    Keywords: Seismology ; Project report/description ; EOS
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  • 5
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    In:  Transactions Am. Math. Soc., Amsterdam, Academic Press (Elsevier), vol. 72, no. 2, pp. 519-550, pp. 2486, (ISBN 1-86239-117-3)
    Publication Date: 1952
    Keywords: Filter- ; Statistical investigations ; Data analysis / ~ processing ; EOS
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  • 6
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    In:  Trans. Am. Geophys. Union, Beijing, Pergamon, vol. 35, no. 3-4, pp. 979-987, pp. 1246
    Publication Date: 1954
    Keywords: Seismology ; Project report/description ; EOS
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  • 7
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal of Morphology 62 (1938), S. 91-111 
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The clam Mya differs from other pelecypods which have been investigated in this respect in having most of the reserve nutritive materials formed within the vacuolated follicle cells of the gonads instead of within the very limited amount of mesenchymatous connective tissue of the visceral mass. The profusely branching tubular gonads originate from two groups of primordial germ cells situated in the position of the future genital apertures. The germinal primordia soon become differentiated into two types of nuclei, one of which becomes associated with the large, vacuolated follicle cells, which form the principal volume of the gonadal tissue, while the other type proliferates to form the primary gonia which become widely scattered along the walls of each alveolus.There is much degeneration and cytolysis during gametogenesis in both sexes, with the accumulation of characteristic inclusions within the follicle cells. Atypical spermatogenesis followed by cytolysis occurs throughout the year but the normal method only in preparation for spawning. No evidence of protandry or change of sex was obtained; only three hermaphrodites were found in the examination of more than 1000 individuals.
    Additional Material: 23 Ill.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal of Morphology 62 (1938), S. 1-2 
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The regeneration of muscle in larval Amblystoma punctatum is preceded by an extensive dedifferentiation of the old muscles of the limb stump. The process of muscle dedifferentiation consists in a separation of muscle nuclei, surrounded by a small amount of cytoplasm, from the injured ends of the muscle fibers. The dedifferentiation of the cut muscles of the limb stump progresses proximad as far as the origin of the muscles on the humerus and results in a complete transformation of these muscles into undifferentiated cells which appear to contribute to the formation of the regeneration blastema. Shoulder muscles, which were attached to the humerus, also undergo a partial dedifferentiation when their points of insertion on the humerus are destroyed by the degeneration of the perichondrium. These muscles never dedifferentiate, however, for more than one-fourth their original length. The process of dedifferentiation in the shoulder muscles is similar to that found in the cut muscles of the limb stump.The regeneration of the injured muscles occurs in two ways. The shoulder muscles reconstitute themselves by means of terminal and lateral sarcoplasmic buds formed near the distal regions of the muscle fibers. The muscles of the limb proper, distal to the shoulder, differentiate out of local aggregations of blastema cells. No myoblasts were observed.The regeneration blastema arose chiefly from dedifferentiated cells of muscle, nerve connective tissue sheath, perichondrium and cartilage.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal of Morphology 62 (1938) 
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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