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  • 1980-1984  (2)
  • Hydrocephalus  (1)
  • electrophysiology  (1)
  • pheromone  (1)
  • Cyclic AMP
  • pancreatic polypeptide
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Material
Years
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    The significance of periventricular lucency on computed tomography: Experimental study with canine hydrocephalus (1981)
    Springer
    Neuroradiology 20 (1981), S. 221-227 
    Details
    ISSN: 1432-1920
    Keywords: Computed tomography ; Hydrocephalus ; Periventricular lucency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In order to investigate the pathogenesis of periventricular lucency (PVL) in hydrocephalus, CT scans were performed with monitoring of the epidural pressure in a series of dogs with hydrocephalus induced with kaolin. PVL of various degrees was detected in the experimental animals, which disappeared immediately after a shunting operation. Correlations have been attempted between PVL on CT scans and histological examinations, contrast enhancement studies, metrizamide ventriculography, and measurement of regional cerebral blood flow in the periventricular white matter. PVL in hydrocephalus is considered to represent acute edema or chronic CSF retention in the periventricular white matter caused by an increase of water content. In other words, it is regarded as a sign of existing or preceding intraventricular hypertension on CT scan, and seems to be a reversible phenomenon to some extent. PVL may therefore became an indication for a shunt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00342088
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Southern pine beetle: Olfactory receptor and behavior discrimination of enantiomers of the attractant pheromone frontalin (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 873-881 
    Details
    ISSN: 1573-1561
    Keywords: Enantiomers ; bark beetle ; pheromone ; Dendroctonus frontalis ; Coleoptera ; Scolytidae ; southern pine beetle ; electrophysiology ; olfaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract In laboratory and field bioassays, the response ofDendroctonus frontalis was significantly greater to the mixture of (1S, 5R)-(−)-frontalin andalpha-pinene than to (1R,5S)-(+)-frontalin andalpfa-pinene. Electro-physiological studies revealed that antennal olfactory receptor cells were significantly more responsive to (1S, 5R)-(−)-frontalin than to (1R, 5S)-(+)-frontalin. Both enantiomers stimulated the same olfactory cells which suggests that each cell possesses at least two types of enantiomer-specific acceptors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00994788
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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