Sökning: "ontogeny"

Visar resultat 16 - 20 av 88 avhandlingar innehållade ordet ontogeny.

  1. 16. Ecology and Evolution of Adaptive Morphological Variation in Fish Populations

    Författare :Richard Svanbäck; Peter Eklöv; Lennart Persson; Beren Robinson; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Ecology; competition; functional morphology; individual specialization; inter-individual variation; intra-population variation; morphological variation; ontogeny; Perca fluviatilis; perch; phenotypic plasticity; predation; trade-offs; Ekologi; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi;

    Sammanfattning : The work in this thesis deals with the ecology and evolution of adaptive individual variation. Ecologists have long used niche theory to describe the ecology of a species as a whole, treating conspecific individuals as ecological equivalent. LÄS MER

  3. 17. Long-term neurogenesis after stroke in the adult rat brain

    Författare :Pär Thored; Lund Neurologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; embryologi människa ; Neurology; neuropsychology; neurophysiology; Utvecklingsbiologi; teratologi; embryology human ; ontogeny; Development biology; teratology; Stroke; Stem Cells; Neurogenesis; neurofysiologi; Clinical biology; Klinisk biologi; Neurologi; neuropsykologi;

    Sammanfattning : Stroke is a leading cause of death and disability for which there is no treatment for functional recovery. Following stroke, striatal neurogenesis is increased, with newly formed neuroblasts migrating towards the damage. This response has so far been considered acute and transient. LÄS MER

  4. 18. Ultrastructure and ontogeny of some angiosperm pollen

    Författare :Anita E. Dunbar; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Halvgräs; pollen; Säv; pollen; Klockväxter; pollen;

    Sammanfattning : .... LÄS MER

  5. 19. Origin and ontogeny of human lung macrophages

    Författare :Elza Evren; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : The lung is a vital organ occupied by a large diversity of immune cells due to its close proximity with the external environment. This thesis focuses on a particular type of immune cell: the macrophage. LÄS MER

  7. 20. Ethological studies on the triumph ceremony of the Canada goose (Branta Canadensis L.) : with special reference to ontogeny and causation

    Författare :Tommy Radesäter; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; kanadagäss;

    Sammanfattning : .... LÄS MER