Search for dissertations about: "Ambystoma mexicanum"

Found 3 swedish dissertations containing the words Ambystoma mexicanum.

  1. 1. Mitochondrial differentiation during the early development of the amphibian embryo

    University dissertation from Umeå : Umeå universitet

    Author : Lennart Nelson; Umeå universitet.; [1981]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Amphibia; Xenopus laevis; Ambystoma mexicanum; mitochondria; differentiation; enzymes; carriers; oxidation; development; Zoophysiology; zoofysiologi;

    Abstract : Mitochondria from Xenopus laevis and Ambystoma mexica- num embryos between fertilization and the beginning of feeding were studied: the former with respect to metabolic behaviour, enzyme pattern and carrier activity, and the latter with respect to morphological parameters.The metabolic behaviour of mitochondria was studied by assessing the rates of oxygen uptake in presence of various substrates. READ MORE

  2. 2. The Origin of Tetrapod Limbs and Girdles: Fossil and Developmental Evidence

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Catherine Anne Boisvert; Uppsala universitet.; [2009]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES Biology Organism biology; NATURVETENSKAP Biologi Organismbiologi;

    Abstract : Around 375 million years ago, the first tetrapods appeared, marking one of the most important events in vertebrate evolutionary history. The fin to limb transition saw the appearance of fingers and a weight bearing pelvic girdle. READ MORE

  3. 3. A Comparative Study of Head Development in Mexican Axolotl and Australian Lungfish: Cell Migration, Cell Fate and Morphogenesis

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Rolf Ericsson; Uppsala universitet.; [2003]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Developmental biology; Head development; axolotl; lungfish; Utvecklingsbiologi; NATURAL SCIENCES Biology Organism biology Developmental biology; NATURVETENSKAP Biologi Organismbiologi Utvecklingsbiologi; Developmental Biology; miljömedicinsk utvecklingsbiologi;

    Abstract : The development of the vertebrate head is a complex process involving interactions between a multitude of cell types and tissues. This thesis describes the development of the cranial neural crest and of the visceral arch muscles in the head of two species. READ MORE