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  • Organic Chemistry  (3)
  • Agaricales  (1)
  • Ameloblastoma  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Virchows Archiv 381 (1979), S. 211-222 
    ISSN: 1432-2307
    Schlagwort(e): Ameloblastoma ; Metastases ; Light and Electron Microscopy ; Children
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary A case of a 5 1/2 years old boy with a plexiform ameloblastoma of the jaw is reported. 6 years after resection of the primary tumor metastases developed in a lymph node at the left side of the neck and in both lungs. Thoracotomy revealed many small metastases spread all over the lungs. Light and electron microscopical studies of the primary tumor showed a typical plexiform ameloblastoma without signs of malignancy. In the metastases, however, these studies revealed the histological criteria of a malignant tumor with marked pleomorphism of tumor cells, increase of heterochromatin, enlargement of nucleoli and invagination of nuclear membranes. After enucleation of two metastases and therapy with cytostatic agents for several months no further metastases have been observed within a period of 6 years. Comparative light and electron microscopic studies of both primary tumor and metastases demonstrate that there are no histological criteria to identify the primary tumor as a malignant ameloblastoma. Ameloblastoma with distant metastases is a rare tumor in children, this case is only the third reported in the literature.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Plant systematics and evolution 180 (1992), S. 77-104 
    ISSN: 1615-6110
    Schlagwort(e): Fungi ; Basidiomycetes ; Agaricales ; Bolbitiaceae ; Conocybe ; New taxa and keys ; Mycoflora of Europe ; Brazil
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract On the basis of studies of about 100 collections of the groupConocybe mesospora and after comparison of extra-European material we conclude that, within the European representatives of this complex, it is necessary to distinguish nine species and two varieties. Three new species are described:Conocybe subxerophytica Sing. & Hauskn.,C. minima Sing. & Hauskn. andC. roberti Sing. & Hauskn. C. mesospora var.subalpina Sing. is now recognized as an autonomous species, butC. brunneola (Kühn. ex)Kühn. & Watling is understood as variety ofC. microspora (Velen.)Dennis. C. excedens var.pseudomesospora Sing. & Hauskn. is described as a new variety.C. affinis Sing. is indicated for Europe.C. microsperma Sing. is the new name ofC. microspora (Vel.)Dennis ss.Dennis. A full description of nine taxa of this group is given and a key to 11 taxa occurring in Europe added. Seven taxa are illustrated for the first time with colored photographs. All taxa known to us from other continents and belonging to theC. mesospora group have been compared with the most similar European species or varieties.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 19 (1936), S. 897-899 
    ISSN: 0018-019X
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    ISSN: 0018-019X
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: Using a multistage extraction apparatus of a new type, crude Thevetin was separated into the two components Cerberoside (Thevetin B) and Thevetin A. The solvent consumption was low and there was no disturbing emulgation of the phases in each other. The separation efficiency corresponds with the approximate calculations based on distribution coefficients and ratio of flow rates.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 474 (1929), S. 145-275 
    ISSN: 0075-4617
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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