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  • 1
    Electronic Resource
    Electronic Resource
    Experimental immunohistochemical studies on the distribution and origins of substance P in the medial preoptic area of the rat (1983)
    Springer
    Experimental brain research 53 (1983), S. 183-192 
    Details
    ISSN: 1432-1106
    Keywords: Substance P (SP) ; POM ; vlAH ; Immunohistochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Distribution of substance P (SP)-positive fibers in the medial preoptic area (POM) of the rat and their origins were examined using indirect immunofluorescence. A very high density of SP-positive fibers was seen in the POM throughout its entire rostro-caudal extent. However, the distribution of these fibers was not even; the highest density was detected in the medial part of the POM, with less dense but still numerous fibers in the lateral part. On the other hand, in this area a small number of SP-positive cells could be found; a few cells were scattered in the rostral part and, in the caudal part, several cells could be seen in the ventral part of the POM. The origins of SP-positive fibers in the POM were experimentally examined. Since the destruction of the ventro-lateral part of the anterior hypothalamus (vlAH), where numerous SP-positive cells were seen, resulted in a marked decrease of SP-positive fibers in the POM on the operated side, the majority of these fibers may originate from SP-positive cells in the vlAH. The fine structure of SP-positive terminals in the POM were investigated by electron-microscopic immunohistochemical techniques. Immunoreactive terminals contained a few large granular vesicles together with numerous small vesicles, and they made synaptic contacts mainly with dendrites which were devoid of immunoreactive materials. Two different synaptic contacts could be distinguished: one asymmetrical (Gray's type I) and the other symmetrical (Gray's type II), with the latter being predominant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00239411
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Ascending and descending components of the medial forebrain bundle in the rat as demonstrated by the horseradish peroxidase-blue reaction (1980)
    Springer
    Experimental brain research 39 (1980), S. 377-388 
    Details
    ISSN: 1432-1106
    Keywords: Medial forebrain bundle ; Ascending components ; Descending components ; HRP ; Sensitive substrate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The ascending and descending components of the medial forebrain bundle (MFB) were investigated by means of horseradish peroxidase (HRP) with a sensitive substrate. The HRP was injected iontophoretically into the MFB at various levels from the anterior commissure to the posterior hypothalamus. In order to prevent the diffusion of HRP to other brain areas, a double micropipette system was used. The descending components of the MFB are derived from (1) the anterior cingulate area, infra- or prelimbic area, and sulcal cortex, (2) the lateral septal nucleus and diagonal band, (3) the bed nucleus of the stria terminalis, (4) the paraventricular nucleus (5) the substantia innominata, (6) the amygdaloid complex (AM), (7) the ventromedial (VM) and dorsomedial (DM) hypothalamic nuclei, (8) the entopeduncular nucleus and (9) nucleus periventricularis stellatocellularis. The ascending components of the MFB originate in: (1) the medial preoptic nucleus, (2) the nucleus periventricularis stellatocellularis and rotundocellularis, (3) the posterior hypothalamic nucleus, (4) the parafascicular nucleus, (5) the ventral premammillary nucleus, (6) the substantia grisea periventricularis, (7) the lateral habenular nucleus, (8) the VM and DM, (9) the paratenial nucleus, (10) the AM and (11) the arcuate nucleus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00239302
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Three-dimensional distribution of vasoactive intestinal polypeptide-containing structures in the rat stomach and their origins using whole mount tissue (1984)
    Springer
    Journal of neural transmission 59 (1984), S. 195-205 
    Details
    ISSN: 1435-1463
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The three-dimensional distribution of vasoactive intestinal polypeptide (VIP)-like immunoreactive (VIPLI) structures in rat stomach and their origins were investigated using the indirect immunofluorescence method in whole mounted tissue. The present study demonstrates a very dense VIPLI fiber meshwork in the circular muscle layer, longitudinal muscle layer and myenteric plexus. In the muscle layers VIPLI immunoreactive fibers run parallel to the muscle. VIPLI fibers are distributed evenly throughout the entire stomach. We have also shown by experimental manipulations that the fibers in the stomach originate from VIPLI neurons in the myenteric plexus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01250008
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    Paper (German National Licenses)
    Fulltext
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