Sökning: "B Hagen"

Hittade 3 avhandlingar innehållade orden B Hagen.

  1. 1. Investigating cell turnover in the healthy and diseased adult human brain

    Författare :Hagen B Huttner; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : For decades it was thought that cells that lost in the human central nervous system because of ageing or disease – different from other cell tissues – cannot be replaced and that in humans all neurons are generated during prenatal development. However, over the last 20 years, it became obvious that there is a certain level of adult neurogenesis in most mammals that mainly occurs in the dentate gyrus and the subventricular zone. LÄS MER

  3. 2. Nutritional ecology of selected Scandinavian tree species with special emphasis on hardwoods

    Författare :Anna Hagen-Thorn; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Plant ecology; Växtekologi; Deciduous; Dynamics; Forest management; Nutrient sustainability;

    Sammanfattning : This thesis considers several important aspects of nutrient dynamics and allocation in adult stands of Swedish forest tree species (Quercus robur L., Tilia cordata Mill., Fraxinus excelsior L., Betula pendula Roth. LÄS MER

  4. 3. Contrast enhanced transrectal ultrasound of the prostate : An experimental and clinical study

    Författare :Else Krüger Hagen; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Oncology; Transrectal ultrasound; Onkologi; Oncology; Onkologi; radiologi; Radiology;

    Sammanfattning : The purpose of this thesis was to evaluate the diagnostic potential of a new ultrasound contrast agent,SonazoidTM, intended for use in patients with suspicion of prostate cancer.The sonographic appearance of normal prostatic vascularity in dogs was evaluated before and after injection of Sonazoid,using different Doppler flow detection modes. LÄS MER