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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 736-736 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EXPERIMENTS have been made with five specimens of methylene blue as a vital stain for the spermatocytes of Helix aspersa. The specimens were an old German ‘polychrome methylene blue’, and four others, ‘pure methylene blue’, and just ‘methylene blue’. In a suitable concentration all the ...
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 186 (1960), S. 900-901 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As to possible fundamental cellular variations in closely allied animals, the grouping of mitochondria in various scorpion spermiogeneses refers to growth and maturation divisions chiefly, but in all these animals where the spermiogenesis is known, the acrosome is anterior, and the centriole ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 151 (1943), S. 253-254 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is well known1 that the silver nitrate methods of Da Fano, Cajal and Aoyama for the Golgi apparatus impregnate densely a bead just around the neck of the guinea pig sperm (Fig. 1, NB). It has been assumed that this bead is identical with the middle-piece bead depicted by ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 167 (1951), S. 185-186 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE article by Dr. Geoffrey H. Bourne in Nature of September 30, 1950, is the second which has been published in recent months (see J. Baker, Nature of April 1, 1950) in which it is stated that past work on the Golgi apparatus can be re-interpreted on the findings of Palade and Claude1. Bourne ...
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 116 (1925), S. 712-712 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MINCHIN, in his well-known volume, “An Introduction to the Study of the Protozoa”, 1912, states that the species of the genus Opalina differ in certain peculiarities of structure and life history from all other ciliates. The life history has been studied by Metcalf and Neresheimer, whose ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 886-887 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In Fig. 1 the oriented spermatid contains the mitochondrial nebenkern (N) at the posterior end of the nucleus, the proximal centriole lying in between. The distal centriole and the flagellum are at (C) and the Golgi body at (G). A further account of this work is being published elsewhere. This ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 1027-1029 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN 1951, A. J. Dalton1 first made satisfactory electron pictures of the Golgi apparatus. In 1953, Dalton and Felix2 published an important memoir on the Golgi apparatus of the epithelial cells of the epididymis and duodenum of the mouse. Those who previously had at their disposal only the light ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 176 (1955), S. 301-302 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SAVILLE KENT1 stated that "the peculiar flagellate sponge cells exhibited a very significant Protozoic feature in the possession of two or more posteriorly located, rhythmically pulsating contractile vesicles". In Ephydatia and jSpongilla, Margaret Jepps2 found contractile vacuoles in granular, ...
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 116 (1925), S. 499-499 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I HAVE been much interested in Prof. Ernest Warren's letter in NATURE of September 12 on the Spermatogenesis of spiders, in which he claims amitotic division of spermatogonia, an abnormal type of maturation, and finally the formation of many spermatozoa from chromatin bodies, bereft of ...
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 115 (1925), S. 157-157 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR some years we have been investigating the cytoplasmic bodies in the protozoa. In NATURE of March 10, 1923, we were able to give the first account of the stages undergone by the Golgi bodies in the sporozoon Adelea. A full account of this work has been published in the Q.J.M.S., vol. 67, ...
    Type of Medium: Electronic Resource
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