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  • Cell & Developmental Biology  (200)
  • 1925-1929  (172)
  • 1900-1904  (28)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Plate (1900)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 16 (1900), S. i 
    Details
    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
    URL: http://dx.doi.org/10.1002/jmor.1050160306
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Masthead (1901)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 17 (1901) 
    Details
    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
    URL: http://dx.doi.org/10.1002/jmor.1050170201
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  • 3
    Electronic Resource
    Electronic Resource
    Masthead (1901)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 17 (1901) 
    Details
    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
    URL: http://dx.doi.org/10.1002/jmor.1050170301
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  • 4
    Electronic Resource
    Electronic Resource
    The cytogeny of Podarke obscura Verrill (1901)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 17 (1901), S. 399-486 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1050170304
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  • 5
    Electronic Resource
    Electronic Resource
    On the habits and structure of cotylaspis insignis Leidy, from Lake Chautauqua, New York (1903)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 18 (1903), S. 1-44 
    Details
    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
    URL: http://dx.doi.org/10.1002/jmor.1050180102
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  • 6
    Electronic Resource
    Electronic Resource
    The Spermatogenesis of Batrachoseps. Polymorphous spermatogonia, auxocytes, and spermatocytes (1900)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 17 (1900), S. 1-117 
    Details
    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
    URL: http://dx.doi.org/10.1002/jmor.1050170102
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  • 7
    Electronic Resource
    Electronic Resource
    Masthead (1925)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 40 (1925) 
    Details
    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
    URL: http://dx.doi.org/10.1002/jmor.1050400201
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  • 8
    Electronic Resource
    Electronic Resource
    Conjugation of paramecium multimicronucleata, powers and mitchell (1925)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 40 (1925), S. 111-167 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Microscopic examination of both living and stained forms indicates that the so-called ‘multivacuolate’ and ‘amicronucleate races of Paramecium caudatum’ belong to the species Paramecium multimicronucleata. The published accounts of the morphology and cultural characteristics of the various forms are compared and provide additional evidence. A more complete description is given, including distinctive characters previously omitted.The conjugation process of P. multimicronucleata in general resembles that of P. caudatum, most of the differences being due to the presence of four micronuclei instead of one. These each divide twice with characteristic figures, twelve of the sixteen daughter nuclei then degenerating. One of the remaining four splits to form a single pair of functional pronuclei in each cell. The two migratory pronuclei interchange as in P. caudatum. The synkaryon divides three times, and probably seven of these nuclei degenerate. The remaining one apparently undergoes two divisions. In most cases by six to eight hours after the conjugants separate two micronuclei of the four thus produced form enlarged macronuclear anlagen, the other two remaining as micronuclei. Each anlage divides within the next two or four hours, producing four macronuclear and four micronuclear analagen. Two fissions, each preceded by a division of the micronuclei, restore vegetative conditions.The process described above is compared with conjugation in P. bursaria, P. caudatum, and P. putrinum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1050400103
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  • 9
    Electronic Resource
    Electronic Resource
    Karyosphere formation and synapsis in the beetle, phanaeusThe investigation here reported was carried on in the Zoölogical Laboratory, Columbia University. (1925)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 40 (1925), S. 261-297 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The parasynaptic union of chromosomes associated with the formation of a karyosphere is demonstrated in the spermatocytes of Phanaeus.The twelve V-shaped leptotene threads are polarized with their apices embedded in one plasmosome-like body, their distal ends in another (primary and secondary caps, respectively), and undergo a conjugation of the parasynaptic type. The distal ends of the chromosomes are freed from their attachment in the secondary cap. The six pachytene loops retain their polarized configuration.The basichromatin of the pachytene chromosomes appears ultimately to be withdrawn to form the karyosphere comprising six chromatic bodies within an oxychromatic «plasmosome,» the latter probably derived from the primary cap. The two caps are believed to arise from the chromosomes. The primary cap apparently becomes incorporated again in the chromosomes; the secondary cap, together with linin remnants of the pachytene chromosomes, disintegrates in the nucleus as residual chromatin.In the dissolution of the karyosphere six ring-shaped tetrads emerge arranged in a temporarily connected chain, giving under certain conditions, the misleading impression of twelve components arranged end to end. The entire content of the karyosphere appears to be employed in the formation of the chromosomes; no visible plasmosome remains.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1050400204
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  • 10
    Electronic Resource
    Electronic Resource
    The histogenesis of cartilage and bone in the long bones of the embryonic fowl (1925)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 40 (1925), S. 417-459 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The development and cytology of cartilage and bone in the limbs from the fifty-second hour of incubation to the first day after hatching are described.The chief points of interest arising from this study are: (1) Chondroblasts when liberated during cartilage resorption die and disintegrate. (2) All the long bones possess structures which, though not undergoing independent ossification, are homologous with the mammalian epiphyses. (3) Endochondral ossification occurs only in the epiphyses and ends of the diaphyses. (4) The marrow cavity contains multinucleated giant cells which appear to be formed by the fusion of degenerating cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1050400302
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