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  • Artikel: DFG Deutsche Nationallizenzen  (2)
  • Child  (1)
  • Drosophila  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    International journal of clinical oncology 4 (1999), S. 403-406 
    ISSN: 1437-7772
    Schlagwort(e): Key words Giant cell tumor ; Child ; Bone tumor
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Giant cell tumor (GCT) of bone was first established as a distinct clinicopathological radiographic entity in 1940 when Jaffe distinguished it from other lesions containing giant cells. GCT is rare in patients under 15 years of age. We report a case of GCT in a 10-year-old boy whose X-ray films showed osteolysis suggesting a malignant bone tumor. We believe this to be the youngest patient with giant cell bone tumor ever reported in the Japanese literature.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Genetica 88 (1993), S. 165-173 
    ISSN: 1573-6857
    Schlagwort(e): Drosophila ; meiosis ; recombination ; spermatogenesis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Two meiotic genes from natural populations are described. A female meiotic mutation,mei(1)g13, mapped to 17.4 on the X chromosome, causes nondisjunction of all homologs except for the fourth chromosomes. In addition, it reduces recombination by 10% in the homozygotes and causes 18% increased recombination in the heterozygotes. A male meiotic mutation,mei-1223 m144 , is located on the third chromosome. Although this mutation causes nondisjunction of all chromosomes, each chromosome pair exhibits a different nondisjunction frequency. Large variations in the sizes of the premature sperm heads observed in the homozygotes may reflect irregular meiotic pairing and the subsequent abnormal segregation, resulting in aneuploid chromosome complements.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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