The retinal projections of the tree shrew and hedgehog

The retinal projections of the tree shrew and hedgehog
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DOI:
10.1016/0006-8993(67)90047-9
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发表时间:
1967-01-01
期刊:
影响因子:
2.9
通讯作者:
YASHON, DAVID
YASHON, DAVID
中科院分区:
医学3区
文献类型:
--
作者:
CAMPBELL, C. B. G.;JANE, JOHN A.;YASHON, DAVID

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欧洲刺猬(Erinaceus europaeus)视网膜投射主要向对侧上级丘、顶盖前复合体、外侧膝状体背侧部和腹侧部投射。同侧投影到相同的网站也存在,但比较稀疏。一个粗糙的形式的差异投影到背外侧膝状体核是存在的,其中同侧的投影主要终止于中央部分的核,而对侧的投影主要终止于周边部分的核。副视系统完全位于对侧,由背侧、外侧和内侧副视核和上级副视束组成。似乎缺乏下副视束。在三个鼩(树鼩)类似的预测,发现除了他们是更多的,有差异的预测层背外侧膝状体核的组织不同,比那些少数灵长类动物的研究。下副视束存在,上级束的更靠前的纤维发育良好。后一个事实可能与外侧终核的更大范围有关。|| 摘要:来自auth。总和
Retinal projections in the European hedgehog (Erinaceus europaeus) are primarily to the contralateral superior colliculus, pretectal complex and pars dorsalis and ventralis of the lateral geniculate body. Ipsilateral projections to the same sites are also present but are sparse in comparison. A crude form of differential projection to the dorsal lateral geniculate nucleus is present in which ipsilateral projections terminate primarily in the central portion of the nucleus while contralateral projections terminate primarily in the peripheral portions of the nucleus. The accessory optic system is entirely contralateral and consists of dorsal, lateral and medial ac -cessory optic nuclei and a superior accessory optic fasciculus. An inferior accessory optic fasciculus appears to be lacking. In the three shrew (Tupaia glis) similar projections are found except that they are more numerous and there are differential projections to laminated dorsal lateral geniculate nuclei which are organized differently than in those few primates studied. An inferior accessory optic fasciculus is present and the more anterior fibers of the superior fasciculus are well developed. The latter fact probably is correlated with the greater extent of the lateral terminal nucleus. || ABSTRACT AUTHORS: From auth. sum