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  • 1
    Electronic Resource
    Electronic Resource
    Ovulation, Implantation and Fœtal Sex Ratio in the Uganda Kob (1963)
    [s.l.] : Nature Publishing Group
    Nature 198 (1963), S. 606-606 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Five virgin uteri had right uterine horns which were larger or longer than the left horns. Two parous non-pregnant uteri showed their right horns stretched more than the left. As evidenced by gross examination for corpora lutea, the ovulation occurred from both ovaries. Five recent ovulations from ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/198606a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cytoplasmic Inclusions of the Ageing Neurons of some Teleosts (1960)
    [s.l.] : Nature Publishing Group
    Nature 186 (1960), S. 332-333 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In this investigation the spinal ganglia of young, middle-aged and old fishes were studied. The observations made on the fixed material were supported by examination of corresponding living neurons by the phase-contrast technique. This phase-contrast examination also included an account of freshly ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/186332b0
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  • 3
    Electronic Resource
    Electronic Resource
    Glaucoma Species in the Central Nervous System of the Carp (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1737-1737 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently we observed a Glaucoma infection in young larvae of the carp Cyprinus carpi , in which about 8 per cent was found to be infected. The parasites were present in the cerebrospinal fluid, the fjrain, the spinal cord and the meningeal fluid. On the strength of the morphological character the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1841737a0
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  • 4
    Electronic Resource
    Electronic Resource
    Extra-Regional Oocytes in Teleosts (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 1241-1241 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have observed extra-regional oocytes in the following species : Phenacogrammus interruptus, Chaetodon capistratus, Abramites microcephalus, Ballistes undulatus, Botia modesta, Cottus gobio and Barbus gelius. These cases are summarized in Table 1. In general, the cells had the characteristic ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1821241a0
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  • 5
    Electronic Resource
    Electronic Resource
    Special Conditions in Normal and Tumorous Nuclei (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 1739-1740 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] After fixation of the tumour tissue with Zenker's fluid with acetic acid1-2, alcohol/formalin/acetic acid or sublimate/acetic acid, phase contrast and examination with polarized light revealed abnormal nuclei, containing besides the common nuclear components refractile elements of the nuclear sap, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1811739a0
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  • 6
    Electronic Resource
    Electronic Resource
    Pathological Parthenogenesis in Viviparous Toothcarps (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 1660-1660 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The first case with Lebistes involved a female isolated immediately after birth and thus free from any contact with the male sex. When this female reached the age of 18 months and a length of 46 mm. the so-called pregnancy spot occurred, that is, a dark-pigmented spot in front of the tail base on ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1811660a0
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  • 7
    Electronic Resource
    Electronic Resource
    Lack of Hæmoglobin in a Fish (1960)
    [s.l.] : Nature Publishing Group
    Nature 185 (1960), S. 625-626 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The fish, which measured 72 mm. in length, had lived for about two years in a large tank (25 ± 1 ° C.), was less active than other cichlids of the same litter and during the last few months mostly moved in the surface of the water layer. In this period only little food was taken. The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/185625a0
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  • 8
    Electronic Resource
    Electronic Resource
    Development of the Yolk Nucleus in the Oocytes of Some Fishes (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1746-1746 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This body originates in the above-mentioned species from the nucleus by means of an extrusion, corresponding to the nucleolar extrusion, which is a well-known phenomenon in the oocytes of fishes1-5 and amphibians6. In the nucleus of the young oocyte (fixed in picroformol-acetic, paraffin sections ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1841746a0
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  • 9
    Electronic Resource
    Electronic Resource
    Effect of Thiouracil and Thyroxine on Development and Growth of Cutaneous Melanoma in Killifish Hybrids (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 562-563 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently Meites, Trainin and Berenblum1 performed an experiment with an inbred strain of Swiss mice, in which urethane was given once, followed by thrice weekly paintings of the skin with croton oil. The development of skin tumours was inhibited by the co-administration of thyroxine and enhanced by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/184562a0
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  • 10
    Electronic Resource
    Electronic Resource
    Development of Ovarial Teratomas in Viviparous Toothcarps by Pathological Parthenogenesis (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 763-764 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As some years ago I had observed in a Lebistes female an ovarial teratoma which also showed a close relation with an Ichthyophonus process 2〉3, I was under the impression that teratomas can develop parthenogenetically in the viviparous toothcarps as well. I therefore decided to continue the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/183763a0
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