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  • 1
    Electronic Resource
    Electronic Resource
    Effect of ovariectomy and androgen on the growth of mammary tumors induced by 7,12-dimethylbenz (α)-anthracene in rats (1973)
    Springer
    Surgery today 3 (1973), S. 229-236 
    Details
    ISSN: 1436-2813
    Keywords: ovariectomy ; androgen ; DMBA ; mammary tumor ; adenocarcinoma ; histological pattern
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The effect of hormonal manipulation on the mammary tumor growth and on its histological changes were studied using DMBA-induced mammary tumor in rats. Ovariectomy resulted in regression of 83 per cent of the mammary tumors examined but most of the tumors regressed began to grow again after 7 to 8 weeks. The administration of androgen had inhibitory effect on the growth in 75 per cent of the tumors. The histology of the growing tumors before ovariectomy exhibited either a poorly differenciated or a tubulopapillary carcinoma. Histological features changed to atrophic cystic epithelium by ovariectomy and regrowing tumors following the post-ovariectomy remission tended to show reversion to primary features.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02468777
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Ultrastructural studies on the islets of langerhans of the carp (1971)
    Springer
    Anatomy and embryology 134 (1971), S. 61-72 
    Details
    ISSN: 1432-0568
    Keywords: Islet of Langerhans ; Cell types ; Fish ; Cyprinus carpio
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The carp islet tissues are fixed with three kinds of fixation procedures (fixation with our modification of Dalton's fixative, with phosphate buffered osmium tetroxide and with glutaraldehyde followed by postosmication) and examined by electron microscopy and by correlative survey of consecutive thin and thick sections for electron and light microscopy. The results are as follows. 1. The islet tissues of the carp contain four types of glandular cells; A, B, clear and D cells. 2. It is strongly suggested that the clear cell is a variety of the B cell.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00523287
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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