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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 381 (1979), S. 353-361 
    ISSN: 1432-2307
    Keywords: Intrauterine wound healing ; Limb amputations ; Amniotic bands
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Limb amputations, probably caused by amniotic constriction bands, were examined histologically in a 20 week human fetus to assess the degree of intrauterine healing. No acute inflammatory process, no removal of necrotic material, and no granulation tissue formation were seen at any of the amputation sites. A recent ulcer, probably caused by friction of an exposed piece of bone in the stump of the right leg, also showed no inflammatory response. Healing was by coagulation of exposed tissue and by a minor degree of mesenchymal proliferation without repair. Similar changes have been described in experimental intrauterine wound healing in rats, lambs, opossums and baboons. Conversion from a non-specific to a classical postnatal inflammatory response occurs sometime before term. It is not known at what point this change takes place in man; examination of this infant suggests that it occurs after the twentieth week of gestation.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 3 (1964), S. 532-546 
    ISSN: 1432-0533
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 14 (1969), S. 52-61 
    ISSN: 1432-0533
    Keywords: Cockayne's Disease ; Dwarfism ; Pelizaeus-Merzbacher Disease ; Calcium Deposition ; Microcephaly
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Klinisch-autoptischer Fallbericht eines 11 jährigen Mädchens mit klasischem Cockayne-Syndrom, bestehend aus Mikrocephalie, Zwergwuchs, Vogelgesicht, psychischer Retardierung, Retinitis pigmentosa, Taubheit, großen Händen und Füßen sowie dickem Schädel mit kleiner Fossa hypophyseos. Wie üblich, setzte die Erkrankung nach regelrechter Frühentwicklung ein. Sie war durch initiale psychische und physische Retardierung mit späterer progressiver Demenz gekennzeichnet. Die wesentlichen neuropathologischen Befunde waren deutliche Atrophie des Markes, fleckige Entmarkung der verbliebenen Fasern in Groß- und Kleinhirn, Hirnstamm und Rückenmark, zarte Kalkablagerungen im Rindenband des Groß- und Kleinhirns sowie grobe fokale Verkalkungen in den Stammganglien. Die wahrscheinlichste Ursache dieser seltenen Erkrankung ist ein angeborener genetischer Defekt, der verschiedene Keimblätter betrifft.
    Notes: Summary The clinical and necropsy findings have been described in an 11 year old girl with classical Cockayne's syndrome which consists of microcephaly, dwarfism, bird facies, mental deficiency, retinal pigmentation, deafness, large hands and feet, and a thick skull with a small pituitary fossa. The disease, as is usual, appeared after a normal first year of life and was characterized by initial mental and physical retardation followed by progressive deterioration. The most striking neuropathological findings were marked atrophy of white matter, patchy demyelination of residual fibres in cerebrum, cerebellum, brain stem and spinal cord, fine deposition of calcium in the cerebral and cerebellar cortical ribbon and coarse focal calcification of the basal ganglia. The most likely cause of this rare condition is probably an inherited genetic defect involving several germ layers.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal of Morphology 146 (1975), S. 479-493 
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Thirty-six harbor porpoises, Phocaena phocaena, were caught off the coast of Southern New Brunswick and Nova Scotia as part of a study of the biology and ecology of these animals. The formalin-preserved heart was examined first in situ, then measured and studied in detail. If the weight of the thick layer of blubber is discounted, the heart is heavy relative to the total body weight as may be expected in an animal capable of fast swimming, great agility and frequent emergence from the water to breathe. The shape of the heart, the relative size of atria and atrial appendages, the morphology of the ventricular septum, the thickness of the walls of the sinus and conus of the right ventricle and the anatomy of the pulmonary veins were found to be constant for this animal and unlike that of non-cetaceans. It is suggested that the absence of respiratory movements during diving may lead to these modifications of cardiac structure in an animal that is particularly well adapted to a totally aquatic existence.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal of Morphology 168 (1981), S. 85-96 
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Fifteen minke whale (Balaenoptera acutorostrata: Mysticeti) and three bottlenose whale (Hyperoodon ampullatus: Odontoceti) hearts were obtained from Norway. Only the ventricular mass and the base of the great arteries were available for study. The shape of the heart, the double apex, the narrowness of the interventricular septum in the dorsiventral plane, the side-to-side position of the ventricles, the relative thickness of the wall of the right ventricle, and the heavy trabeculation agree with other, brief reports of whale heart morphology. Coronary artery tortuosity, which has been described in sperm whales by others, was found in the bottlenose but not in the minke whales. It is suggested that the shape of the heart is associated with depth and duration of dives and that the pattern of trabeculation may be related to the size of the animal.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal of Morphology 123 (1967), S. 213-230 
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Seventy-seven hearts from one species of bat, Eidolon helvum Kerr, have been examined as a preliminary step in correlating cardiac form the and function in relation to flight in mammals. The supposition is that the heart, like the upper limbs and pectoral girdle, will show deviations from the common mammalian plan because of the animal's unusual way of life.The first thing that happens in flight, as in any form of exercise, is an immense increase in venous return to the heart. The architecture of the sinus venarum of the right atrium and of the right ventricle in the region of the atrioventricular valve, including the position of the papillary muscles, may be related to prevention of rapid overdistension of the right side of the heart. The walls of the inflow and outflow tracts of the right ventricle are exceptionally smooth, an anatomical feature that may have significance in that friction may be reduced. The left side of the heart resembles that of other mammals more closely.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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