Abstract:
:The course of the ascending pathways originating from the anterior gustatory and posterior visceral sensory part of the solitary tract nucleus and the topographic organization of the projections to the hypothalamus in the rat were studied with anterogradely transported Phaseolus vulgaris lectin. In general, the posterior visceral sensory part of the solitary tract nucleus has ascending projections as far as the septum-diagonal band complex and gives rise to heavy input to the bed nucleus of the stria terminals, and to the dorsomedial and paraventricular hypothalamic nuclei. A more moderate projection is aimed at a variety of other hypothalamic nuclei, to the medial and central amygdaloid nuclei and to the paraventricular nucleus of the thalamus. The ventromedial hypothalamic nucleus is strikingly missing an afferent input from the nucleus of the solitary tract. Furthermore, it was shown that whereas the caudal solitary tract nucleus has predominant long ascending connections, the projections from the anterior taste related region of the nucleus of the solitary tract have only limited forebrain projections which do not reach beyond the level of the anterior dorsal hypothalamic nucleus.
journal_name
Neurosciencejournal_title
Neuroscienceauthors
Ter Horst GJ,de Boer P,Luiten PG,van Willigen JDdoi
10.1016/0306-4522(89)90441-7subject
Has Abstractpub_date
1989-01-01 00:00:00pages
785-97issue
3eissn
0306-4522issn
1873-7544pii
0306-4522(89)90441-7journal_volume
31pub_type
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