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  • 1
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: The distribution of catecholamine and acetylcholinesterase containing nerve fibers in the rat lung was studied employing specific histochemical techniques. Silver impregnation and methylene blue staining was used to allow comparison with the results of previous workers. Catecholamine containing nerve fibers were found associated with the nerve plexus about bronchial arteries and were carried to the bronchial wall and the pulmonary vessel wall along branches of the artery. Acetylcholinesterase containing fibers followed along the bronchi and bronchioles and were found in the adventitia, mucosa and submucosa, Acetylcholinesterase containing nerves were not found in the perivascular plexi with the exception of a few positive nerve fibers within the larger pulmonary veins.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    American Journal of Anatomy 154 (1979), S. 277-281 
    ISSN: 0002-9106
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: By iontophoretically introducing, first, cobalt and, subsequently, sulfide ions into the vagus nerve, it is possible to trace sensory nerves to their endings in the rat lung. Nerve fibers and terminals are found predominantly in the adventitia of the airways and blood vessels. Some nerves are found in the submucosa of the bronchi and bronchioles. Some are found in the cardiac muscle on the periphery of pulmonary veins, and a few nerves are seen to end among smooth muscles of the blood vessels and the airways. At least three types of nerve endings can be identified at the light microscopic level: (1) free nerve endings; (2) brush-like endings; (3) knob-like terminals.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    American Journal of Anatomy 137 (1973), S. 19-29 
    ISSN: 0002-9106
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: The innervation to the bronchial tree of the rqt was studied using silver impregnation and methylene blue staining in conjunction with histochemical demonstration of acetylcholinesterase and one-micron sections of osmium-bed, plastic-embedded material. Innervation to the bronchial structures enters the lung along two pathways: (1) in bundles of nerves along the bronchi (peribronchial bundles), and (2) as nerve bundles associated with bronchial arteries (periarterial bundles) to innervate bronchial arteries and respiratory passageways. Fibers within the peribronchial bundles and associated nerve cells contain acetylcholinesterase. Varicose nerve plexuses associated with bronchial muscle (intermuscular nerves) are acetylcholinesterase-positive, as are the submucosal nerves. Submucosal nerves are of two types. One type originates directly from the peribronchial bundles after passing through the muscularis without innervating it. These nerves extend circumferentially and longitudinally with respect to the bronchiole. The second submucosal nerve type originates from the intermuscular nerve plexus. These nerves have a radial orientation within the bronchial submucosa and reach the mucosa. It is concluded that the intermuscular nerves are postganglionic parasympathetics. The two types of submucosal nerves are thought to perform different functions.
    Type of Medium: Electronic Resource
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