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  • 1
    Electronic Resource
    Electronic Resource
    Duodenal Glands of the Pony (Equus caballus) (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Anatomia, histologia, embryologia 20 (1991), S. 0 
    Details
    ISSN: 1439-0264
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The ultrastructure and histochemistry of the duodenal glands of the pony (Equus caballus) was examined in four horses. Unlike that of most species except for the rabbit, the submucous glands of the horse contain two distinct cell types, serous and mucous. These cells are described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0264.1991.tb00285.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Fine Structural and Histochemical Study of Equine Paneth Cells (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Anatomia, histologia, embryologia 27 (1998), S. 0 
    Details
    ISSN: 1439-0264
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Ultrastructure. lysozyme and glycoconjugate activity in duodenal Paneth cells were observed concurrently in the horse. Paneth cells were seen to uniformly line the base of the equine intestinal glands. The round secretory granules have centrally located electron densities with peripherally located electron lucent halos. Histochemically, the peripheral halo layer was positively stained for carbohydrates by the periodic acid-thiocarbohydrazide-silver protein-physical development (PA-TCH-SP-PD) method and the entire granules reacted positively to the WGA. The central core area reacted with anti-lysozyme. We identified a young (Type I) and an old (Type II) cell population in the same crypt, but we suggest that the observed populations are variations of the same cell type with the varied appearance due to aging of the secretory granules.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0264.1998.tb00167.x
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  • 3
    Electronic Resource
    Electronic Resource
    Paneth cell degranulation and lysozyme secretion during acute equine alimentary laminitis (1991)
    Springer
    Histochemistry and cell biology 95 (1991), S. 529-533 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The equine Paneth cell response to a shift in the microbial balance of the intestinal tract was studied by inducing an acute episode of alimentary laminitis in 6 mature ponies. The normal bacterial population of the gut was modified by administration of a carbohy-drate-rich ration. During acute laminitis a dramatic degranulation of the Paneth cells occurred in the intestinal glands throughout the duodenum, jejunum, and ileum. Bacteriocidal lysozyme, which was immunohistochemically identified as a component of the Paneth cell secretory granule, was evident in the glandular lumina and in degranulated Paneth cells. These results indicate that lysozyme is secreted by the equine Paneth cell in an apparent attempt to regulate the changing microbial population induced by carbohydrate overload of the gut. From these observations, it is suggested that the Paneth cell plays a role in the mucosal defense system of the equine intestinal tract.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00315751
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Dense bands and polarity of thin filament at myotendinous junction in guppy muscle (1990)
    Springer
    Protoplasma 158 (1990), S. 121-129 
    Details
    ISSN: 1615-6102
    Keywords: Myotendinous junction ; Dense bands ; Lebistes reticulates ; Myomyous junction ; HMM decoration ; Ca2+-activated protease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Guppy muscle shows unique electron dense bands in the terminal segment of the myofibril at the muscle—tendon junction. On occasion electron dense bands were also observed at the myomyous junction. The unusual bands are approximately 70 nm wide with an electron density similar to that of Z-lines. Thin filaments seem to be continuous throughout these dense bands with no interdigitation of filaments before the membrane. Calcium-activated neutral protease removes the dense bands. The filaments of the terminal segment are decorated by heavy meromyosin and therefore are actin. The polarity of actin filaments, determined by the arrowhead pattern formed when the filaments are decorated with HMM, appears to be directed away from the sarcolemma. No evidence of polarity reversal was observed at the dense bands. Although function and significance is unknown, we assume the electron dense bands of the myofibril terminal segment of guppy muscle are not Z-lines, but rather, are structures unique to guppy muscle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01323124
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