Sökning: "growth animal"

Visar resultat 1 - 5 av 360 avhandlingar innehållade orden growth animal.

  1. 1. Ontogeny and Population Biology of a Sex-Limited Colour Polymorphism

    Författare :Jessica Abbott; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; embryologi; ontogeni; animal morphology; embryology; Utvecklingsbiologi; Damselflies; Colour polymorphism; Development; Frequency-dependence; Morphology; growth animal ; ontogeny; Animal anatomy; Development biology; Djurs anatomi och morfologi; Population divergence; Animal ecology; Djurekologi;

    Sammanfattning : This study has involved investigation of number of populations of the damselfly Ischnura elegans over several years, looking at frequency changes over time, morphological differences between the sexes and the morphs, differences in growth rate and development time, differences in fecundity between the morphs, and genetic differentiation between populations. I. LÄS MER

  3. 2. Novel Treatment Modalities for High-Risk Neuroblastoma : Studies in Animal Models

    Författare :Dieter Fuchs; Faranak Azarbayjani; Rolf Christofferson; Sven Påhlman; Uppsala universitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; neuroblastoma; bevacizumab; SU11248; GMX1778; GMX1777; animal model; Medicine; Medicin;

    Sammanfattning : Neuroblastoma, the most common extracranial solid tumor of childhood, is a heterogeneous tumor. In some patients, the tumor can go into spontaneous regression and disappear whereas other patients have rapidly growing tumors with a poor prognosis. LÄS MER

  4. 3. The control of growth and metabolism in Caenorhabditis elegans

    Författare :Josefin Friberg; Simon Tuck; Cathy Savage-Dunn; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TGFβ; insulin; collagen; p70 S6K; metabolism; growth; dauer; Caenorhabditis elegans; Cell and molecular biology; Cell- och molekylärbiologi;

    Sammanfattning : The control of growth is a poorly understood aspect of animal development. This thesis focuses on body size regulation in Caenorhabditis elegans, and in particular, how worms grow to a certain size. In C. elegans, a key regulator of size is the TGFβ homologue DBL-1. LÄS MER

  5. 4. Vascular Endothelial Growth Factor (VEGF) and Peripheral Nerve Regeneration

    Författare :Mariann Sondell; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Schwann cell; SCG; rat; peripheral nerve regeneration; neuropilin-1; nerve repair; mouse; growth factor; flk-1; axonal outgrowth; DRG; VEGF; Animal physiology; Djurfysiologi;

    Sammanfattning : This thesis concerns vascular endothelial growth factor (VEGF) and its possible role as a neurotrophic factor. I have investigated the effect of VEGF on neurons in culture but also in vivo, following a crush lesion of the sciatic nerve, and following nerve repair. LÄS MER

  7. 5. Temporal dynamics of brain and hormone changes during parr-smolt transformation in salmon

    Författare :Lars Ebbesson; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; animal morphology; Animal anatomy; growth hormone; metamorphosis; thyroid hormones; neural plasticity; Djurs anatomi och morfologi;

    Sammanfattning : This thesis describes a series of studies designed to elucidate brain circuitry changes during parr-smolt transformation (smoltification) in salmon. The studies revealed sequential orderly chemical and structural changes of the brain. LÄS MER