Abstract：
:The neuronal tracer DiI was applied to different brain centers of the rainbow trout in order to study the connections of pretectal nuclei. Our results showed that some pretectal nuclei receive a direct projection from the contralateral retina: the parvocellular superficial pretectal nucleus, the central pretectal nucleus, the intermediate pretectal nucleus and the ventral accessory optic nucleus. In turn, the central pretectal, the intermediate pretectal and the ventral accessory optic nuclei, together with the paracommissural nucleus, project to the cerebellum and the torus longitudinalis. The magnocellular superficial pretectal nucleus does not receive retinal projections, but receives ipsilateral projections from the optic tectum and the mesencephalic tegmentum. In turn, it projects to the ipsilateral oculomotor nucleus and lateral nucleus of the valvula. The posterior pretectal nucleus and the parvocellular superficial pretectal nucleus receive afferents from the ipsilateral nucleus isthmi. The posterior pretectal nucleus projects to the inferior hypothalamic lobe. Our results reveal a conspicuous projection from the ipsilateral parvocellular superficial pretectal nucleus to the contralateral one and also to the contralateral posterior prectectal nucleus, not reported in previous experimental studies of teleosts. Pretectal centers appear to integrate visual/optic-related centers mainly with the hypothalamus and the cerebellum. The organization of the trout pretectum was compared with the pretectal organization patterns proposed in various teleosts.
journal_name
Brain Res Bulljournal_title
Brain research bulletinauthors
Folgueira M,Anadón R,Yáñez Jdoi
10.1016/j.brainresbull.2007.10.020subject
Has Abstractpub_date
2008-03-18 00:00:00pages
251-5issue
2-4eissn
0361-9230issn
1873-2747pii
S0361-9230(07)00363-2journal_volume
75pub_type
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journal_title：Brain research bulletin
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pub_type： 杂志文章
doi：10.1016/s0361-9230(02)00940-1
更新日期：2003-01-30 00:00:00
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pub_type： 杂志文章
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journal_title：Brain research bulletin
pub_type： 杂志文章
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pub_type： 杂志文章
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更新日期：2008-03-18 00:00:00
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更新日期：1992-09-01 00:00:00
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pub_type： 杂志文章
doi：10.1016/j.brainresbull.2005.04.009
更新日期：2005-07-30 00:00:00
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pub_type： 杂志文章
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journal_title：Brain research bulletin
pub_type： 杂志文章
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pub_type： 评论,杂志文章
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更新日期：2007-05-30 00:00:00
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journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(90)90174-x
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pub_type： 杂志文章,评审
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更新日期：2019-05-01 00:00:00
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journal_title：Brain research bulletin
pub_type： 杂志文章
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journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(95)00098-y
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journal_title：Brain research bulletin
pub_type： 杂志文章
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pub_type： 杂志文章
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更新日期：2009-03-30 00:00:00
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journal_title：Brain research bulletin
pub_type： 杂志文章,评审
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journal_title：Brain research bulletin
pub_type： 杂志文章
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journal_title：Brain research bulletin
pub_type： 杂志文章
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