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  1. No Access

    Article

    Effects of low-intensity training on dihydropyridine and ryanodine receptor content in skeletal muscle of mouse

    To evaluate low-intensity exercise training induced changes in the expression of dihydropyridine (DHP) and ryanodine (Ry) receptors both mRNA and protein levels were determined by quantitative RT-PCR and immun...

    S. Mänttäri, K. Anttila, M. Kaakinen… in Journal of Physiology and Biochemistry (2006)

  2. No Access

    Article

    Expression of L-type calcium channels associated with postnatal development of skeletal muscle function in mouse

    Several factors have an influence on the improvement of muscle activity and motor co-ordination of mammals during post-natal development. One of them is voltage sensitive L-type calcium channel function. In st...

    S. Mänttäri, A. Pyörnilä, R. Harjula… in Journal of Muscle Research & Cell Motility (2001)

  3. No Access

    Article

    Tuning of photoreceptor spectral sensitivity in fireflies (Coleoptera: Lampyridae)

    Sexual communication between male and female fireflies involves the visual detection of species-specific bioluminescent signals. Firefly species vary spectrally in both their emitted light and in the sensitiv...

    T. W. Cronin, M. Järvilehto, M. Weckström… in Journal of Comparative Physiology A (2000)

  4. No Access

    Article

    Ultraviolet Colours in Pieris napi from Northern and Southern Finland: Arctic Females Are the Brightest!

    V. B. Meyer-Rochow, M. Järvilehto in Naturwissenschaften (1997)

  5. No Access

    Article

    Membrane maintenance and electrical properties of photoreceptors of wild-type andrpa (receptor potential absent) mutant blowflies (Calliphora erythrocephala)

    The maintenance of photoreceptor cell membranes in the blowfly was investigated in relation to the diurnal cycle, age, and therpa (receptor potential absent) phototransduction mutation. The effect of disturbed me...

    P. Torkkeli, M. Weckström, M. Järvilehto in Cell and Tissue Research (1991)

  6. No Access

    Article

    Morphological and functional characteristics of arpa (receptor potential absent) visual mutant of the blowfly (Calliphora erythrocephala)

    1. We have discovered a previously unreported visual mutant of the blowfly,Calliphora erythrocephala. It shows a...

    P. Torkkeli, M. Weckström, E. Kouvalainen… in Journal of Comparative Physiology A (1989)

  7. No Access

    Article

    Fly photoreceptors and temperature: Relative UV-sensitivity is increased by cooling

    Intracellular responses from blowfly photoreceptor cells were recorded at various temperatures in order to study the behaviour of the transduction system, with particular reference to spectral sensitivity. wit...

    W. Weckström, M. Järvilehto, E. Kouvalainen, P. Järvilehto in European Biophysics Journal (1985)

  8. Book Series

    Handbook of Sensory Physiology

    Volume 1 / 1971 to Volume 9 / 1978

  9. No Access

    Book

    Comparative Physiology and Evolution of Vision in Invertebrates

    A: Invertebrate Photoreceptors

    H. Autrum in Handbook of Sensory Physiology (1979)

  10. No Access

    Chapter

    Receptor Potentials in Invertebrate Visual Cells

    Most of our knowledge of invertebrate visual systems has come from studies on arthropods and molluscs. Relatively little is known about the function of visual structures in other invertebrates. Thus many of th...

    M. Järvilehto in Comparative Physiology and Evolution of Vision in Invertebrates (1979)

  11. No Access

    Article

    The transmission of information by first and second order neurons in the fly visual system

    1. Random (white noise) fluctuations of both point and wide field light sources were presented to eyes of the fl...

    A. S. French, M. Järvilehto in Journal of comparative physiology (1978)

  12. No Access

    Chapter and Conference Paper

    Spectral and Polarization Sensitivity of Identified Retinal Cells of the Fly

    Many experiments, both training and optomotoric, can demonstrate how many insects, especially bees, are able to utilize the information of polarized light. Many concrete facts about this can be found in the bo...

    M. Järvilehto, J. Moring in Neural Principles in Vision (1976)

  13. No Access

    Article

    Electrophysiological-histological studies on some functional properties of visual cells and second order neurons of an insect retina

    Intracellular potential recording in combination with a histological technique of cell identification and localization of the recording site was used to get some results about information processing properties...

    M. Järvilehto, F. Zettler in Zeitschrift für Zellforschung und Mikroskopische Anatomie (1973)