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  • 5-HT autoreceptors  (1)
  • Fecundity  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Oecologia 76 (1988), S. 371-375 
    ISSN: 1432-1939
    Keywords: Galls ; Oaks ; Parasitoid ; Fecundity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The galls of the agamic generation of the cynipid gall-wasp Cynips divisa were studied; these galls are found only on the main veins of the leaf. Galls are concentrated on the middle veins of leaves, and generally occur closer to the midrib than to the edge of the leaf. Survival of the gall-maker and fecundity of the energing wasp depend on wasp size and position of the gall. There is a striking pattern in gall size according to the number of galls on the vein. The number of galls on a vein appears therefore to have a strong effect on potential fecundity.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2072
    Keywords: 5-HT1A receptors ; Anxiolytics ; Interactions ; Feeding ; Rat ; 5-HT autoreceptors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The effects of the novel anxiolytics gepirone, buspirone and ipsapirone on free feeding and on feeding induced by the 5-HT1A receptor agonist, 8-hydroxy-2-(di-n-propylamino) tetralin (8-OH-DPAT), were examined. Gepirone dose-dependently increased feeding 2 and 4 h after injection, the magnitude of the response being larger than previously observed with any other 5-HT1A receptor ligand. Previous studies have suggested that buspirone and ipsapirone can block some of the behavioural effects of 8-OH-DPAT. However, gepirone, buspirone and ipsapirone did not inhibit feeding induced by 8-OH-DPAT. These results indicate that gepirone is a very efficacious appetite stimulant in rats and suggest that gepirone, buspirone and ipsapirone act as 5-HT autoreceptor agonists in the feeding model.
    Type of Medium: Electronic Resource
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