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  • 1975-1979  (1)
  • 1965-1969  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 31 (1966), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Samples of unfrozen and prerigor frozen ovine semitendinosus muscle were incubated for 24 hr post-mortem at six temperature levels between 0 and 4O°C. Examination of electron-micrographs showed that variations in temperature caused muscle fibers to be in various states of contraction. The variations in sarco-mere length of unfrozen and prerigor muscle did not follow any specific course in relation to temperature. All the observed transverse striations were definable components of the sarcomere.Prerigor frozen muscle incubated at 30 and 40°C showed severe disruption of the Z lines. However, Z-line material was observed to be present in a disoriented state. H zones and M lines were observed in all samples, and their boundaries were clearly defined. The lengths of the H zones and M lines were constant among all treatments.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 167 (1976), S. 37-47 
    ISSN: 1432-0878
    Keywords: Scale ; Tilapia ; Calcification ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The scales of Tilapia are surrounded by an envelope of scleroblasts responsible for the production of layers of collagen that constitute the bulk of the scale. The scleroblasts adjoining the lateral face of the oldest scale region gradually atrophy. New collagen layers are deposited against the inner face of the scale, the adjoining scleroblasts showing evidence of high metabolic activity. Calcification occurs by inotropic deposition of crystals alongside the fibres. There is no sharp demarcation between calcified and non-calcified scale regions, a calcification front gradually moving towards newly formed collagen layers. It is felt that fish scales should be considered as calcified derivatives of dermal collagen layers.
    Type of Medium: Electronic Resource
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