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  • Innervation  (4)
  • Cytology / Atlases  (3)
  • 51M20  (1)
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  • 1
    Call number: QS517:16(11) ; F030:115
    Keywords: Cytology / Atlases ; Histology / Atlases
    Pages: ix, 535 p. : ill.
    Edition: 11., komplett überarb. und erg. Aufl.
    ISBN: 3-13-348611-X
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  • 2
    Call number: 05-CYT-10:15(10)
    Keywords: Cytology / Atlases ; Histology / Atlases
    Pages: vii, 522 p. : ill.
    Edition: 10., überarb. und erw. Aufl.
    ISBN: 3-13-348610-1
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  • 3
    Call number: ATV-CYT:129(9)
    Keywords: Cytology / Atlases ; Histology / Atlases
    Pages: vi, 522 p. : ill.
    Edition: 9., überarb. und erw. Aufl.
    ISBN: 3-13-348609-8
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  • 4
    ISSN: 1432-0568
    Keywords: Parotid gland ; Miniature pig ; Electron microscopy ; Innervation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This communication reports on the morphology of the parotid gland of miniature pigs (Göttingen strain). 1. The glandular system consists in its terminal portions of acinar secretory parts. Between the basal lamina and the secretory epithelial cells myoepithelial cells are located. 2. The cytoplasmic organization of the acinar cells represents the features of mucous secretory cells. By electron microscopic means, light secretory granules have been demonstrated which frequently are coalescent. Between the bulk of secretory material only small remnants of cytoplasm are visible. The electron dense nuclei are located in basal parts of the cells. Intercellular canaliculi have not been observed. 3. The intercalary ducts, located between the acinar portions and the striated ducts of the gland, are long and narrow tubules, frequently branched. Their epithelium is simple cuboidal, and there is no indication of any secretory activity. 4. The epithelium of the striated ducts is simple columnar. The orientation of mitochondria parallel to the cell axis, and also the invaginations of the basal cell membrane give the basal cytoplasm a vertically striated appearance. 5. The paravascular nerves of the gland's connective tissue consist of bundles of unmyelinated axons. These branch into smaller bundles, and finally into single unmyelinated axons which reach the acinar portions. These axons appear to be only partly surrounded by Schwann cells. Very thin axons alone penetrate the basal lamina and reach the secretory cells of the acini; moreover, these axons may occasionally reach the intercellular spaces between the secretory cells. Within these terminal parts of the axons groups of synaptic vesicles appear.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0878
    Keywords: Exocrine glands ; Rabbit ; Glandula infraorbitalis buccalis ; Extrusion mechanism ; Innervation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Die Glandula infraorbitalis buccalis von Kaninchen ist eine muköse Drüse vom tubulo-acinösen Typ. Sie mündet in die Mundhöhle. Das elektronenmikroskopisch sehr strahlendurchlässige Sekret gelangt nach Ruptur des apikalen Plasmalemms in die Lichtung. Der Extrusion kann eine ballonartige Vorwölbung der Plasmamembran vorausgehen. Alle Drüsenzellen enthalten ausgedehnte Ergastoplasmabezirke, zahlreiche Mitochondrien und einen stark entfalteten Golgi-Komplex. Interzelluläre Sekretkanälchen sind niemals ausgebildet. Alle Drüsenzellen werden vielmehr an den apikalen und seitlichen Kontaktflächen durch ein differenziertes Schlußleistennetz und durch Desmosomen verbunden. Kurze Schaltstücke stellen die Verbindung mit intralobulären Gängen her. Streifenstücke fehlen. Terminale Nervenfasern mit bekannter Innenstruktur durchbrechen die Basalmembran und lagern sich den Drüsen- und Myoepithelzellen eng an.
    Notes: Summary The glandula infraorbitalis buccalis in rabbits represents the type of a tubuloacinar mucous secreting gland. The secretory product of gland cells is electron lucent. Extrusion generally is characterized by the formation of an opening at the cell surface and the discharge of the secretory material. Intercellular canaliculi are absent. Mitochondria and arrays of granular endoplasmic reticulum are more numerous than in other mucous glands of rabbits. Intercalated ducts are short and connect the tubules with intralobular ducts. Striated ducts are absent in the infraorbital gland. Nerve terminals occur in some instances between gland cells and between glandular and myoepithelial cells.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 134 (1972), S. 435-438 
    ISSN: 1432-0878
    Keywords: Salt gland ; Birds ; Innervation ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The innervation of the salt gland of the goose, the duck and the swan was investigated by means of electron microscopy. Axonal swellings were observed in relationship to secretory cells as well as to central duct cells. The terminals contain synaptic and densecored vesicles. There are no specialized pre- and postsynaptic membranes.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 119 (1971), S. 384-404 
    ISSN: 1432-0878
    Keywords: Glandula harderiana ; Rabbit ; Extrusion mechanism ; Lipid vacuoles ; Innervation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung 1. Die Glandula harderiana des Kaninchens ist eine tubulo-alveoläre Drüse. Sie liegt an der medialen und hinteren Wand der Orbita und besteht aus zwei, makroskopisch unterscheidbaren Anteilen: Ein kleinerer oberer Teil ist von weißer Farbe, der größere untere ist rot. Die sezernierenden Zellen in den tubulösen Endstücken beider Lappen enthalten Fette, die sich mit Scharlachrot und Sudanschwarz B anfärben. Die luminale Oberfläche aller Zelltypen färbt sich mit Alcianblau bei pH 2,5 an. 2. Die Drüsentubuli beider Lappen sind von einem einschichtigen kubischen bis zylindrischen Epithel ausgekleidet. Die Drüsenzellen sind im roten Anteil großblasig, im weißen Lappen sehr fein vakuolisiert. Das Cytoplasma dieser multiloculären Zellen enthält freie Ribosomen und eine erstaunlich große Zahl von Mitochondrien, die meistens eng aneinander lagern. Alle Zellen enthalten ferner mehrere Golgi-Stapel, aber nur spärliche Ergastoplasmamembranen. 3. Die exokrinen Zellen werden an den seitlichen Kontaktflächen durch ein differenziertes Schlußleistennetz (Zonulae occludentes, Zonulae adhaerentes, Desmosomen) verbunden. Die sezernierende Oberfläche wird durch die Ausbildung interzellulärer Sekretkapillaren vergrößert. 4. Bevor die Fettsubstanzen in die Lichtungen der Drüsenschläuche extrudiert werden, kommt es zur Verschmelzung benachbart liegender Pettvakuolen. Die Extrusion wird abgeschlossen durch das Verschmelzen der Hüllmembran der Fettvakuolen mit der Plasmamembran, durch Ausbildung einer Öffnung in der Plasmamembran und durch das Ausfließen der Fettsubstanzen. Ein anderer Extrusionsmechanismus besteht darin, daß apikal gelegene Fettvakuolen die Zellmembran weit in die Lichtung hinein vorwölben und anschließend mit einer Hüllmembran abgenabelt werden. 5. Terminale Nervenfasern mit bekannter Innenstruktur durchbrechen die Basalmembran und lagern sich den Drüsen- oder Myoepithelzellen eng an, teilweise in Vertiefungen ihrer Oberfläche eingebettet. Diese terminalen Axone enthalten synaptische Vesikel, Bläschen mit einem massendichten Granulum, Mitochondrien und Neurotubuli. Spezialisierte prä- und postsynaptische Membranen kommen nicht vor. Die Frage nach der funktionellen Bedeutung der Harderschen Drüse wird diskutiert.
    Notes: Summary 1. The Harderian gland in rabbits, representing the type of a tubulo-alveolar gland, is located on the medial and posterior aspect of the eyeball and consists of two different parts, a small white lobe and a larger red one. The secretory cells in the tubular endpieces of both lobes are lipids containing cells. The lipid droplets can be stained with Sudan IV and Sudan black B. The luminal surface of both cell types is characterized by an alcianophilia at pH 2,5. 2. The tubules of both lobes have a single layer of columnar epithelium. The lipid vacuoles in the cells of the red lobe are large, these of the white lobe small. The multilocular cytoplasm of all cells contains many free ribosomes and high amounts of mitochondria lying very closely together. All cells exhibit numerous and large Golgi-zones but only few ergastoplasm membranes. 3. The lateral surfaces of the secretory cells are connected by elaborate junctional complexes (Zonulae occludentes, zonulae adhaerentes, desmosomes). These lateral surfaces are increased by intercellular canaliculi. 4. Before being released into the glandular lumen, the limiting membranes of adjacent lipid droplets fuse, thus forming a large lipid vacuole. Extrusion generally is characterized by the coalescence of the limiting membrane with the plasmalemma, the formation of an opening at the cell surface and the discharge of the secretory lipid material. In the course of another mechanism of extrusion, the fat vacuoles are transported to the apical part of the cell where consequently the plasmamembrane bulges into the lumen. Eventually the fat vacuole is pinched off surrounded by a thin cytoplasmic envelope. 5. Terminal fibers of the autonomic nervous system penetrate the basal membrane and can be found closely attached to the secretory or myoepithelial cells, partly by forming large swellings, which may be deeply embedded into the cytoplasm of the innervated cell. These terminal parts of the axons contain groups of synaptic and dense-cored vesicles, mitochondria and neurotubuli. Specific pre- and postsynaptic membranes have not been observed. The possible function of the harderian gland is discussed.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Annals of global analysis and geometry 10 (1992), S. 227-236 
    ISSN: 1572-9060
    Keywords: Tight polyhedral immersions ; polyhedral tubes ; Z3-tightness ; 53C42 ; 52B70 ; 51M20
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract We give examples of spaces with 3-torsion in the homology admitting Z3-tight polyhedral immersions into euclidean space. Polyhedral tubes are used to construct embedded hypersurfaces of this kind.
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