NDLI: Morphological and histological studies on the telencephalon of the salamander Onychodactylus fischeri

Content Provider	Springer Nature Link
Author	Wang, Huan Huan Li, Li Yan Wang, Li Wen Liang, Chuan Cheng
Copyright Year	2007
Abstract	In order to probe into the morphological and histological characteristics of the telencephalon of Onychodactylus fischeri, and to enrich the comparable neurobiology.HE-staining method was used to describe the characters of the telencephalon of Onychodactylus fischeri.The olfactory bulb of Onychodactylus fischeri locates in the rastral and lateral to the cerebral hemisphere, and six distinct layers can be identified from the lateral to the medial, quite similar to Batrachuperus tibetanus and Hynobius leechii. In the cerebrum, the primordial hippocampus developed better than the primordial piriform. The former belongs to archipallium and the latter is paleopallium. Ventral to the primordial hippocampus there is a septal area which cannot be divided into medial and lateral parts. In the ventrical wall, there is neither medial limiting sulcus nor lateral limiting sulcus to saperate the primordial hippocampus and the septal area, or the primordial piriform and the corpus striatum. The corpus striatum of Onychodactylus fischeri is paleostriatum. There is choroids plexus anterior in the lateral ventricle. The cell group that located at two sides of the third ventricle is the amygdale. Besides, the shape and size of neurons within the telencephalon are poorly differentiated. Onychodactylus fischeri is a relatively primitive type in the amphibian. The present data will help us to further understand the nerve system of tailed amphibian.探讨爪鲵端脑的形态学和组织学特点。采用脊椎动物神经标本制作技术和常规HE染色法。爪鲵嗅球与北方山溪鲵和东北小鲵的嗅球极为相似, 位于大脑半球的腹外侧缘, 细胞从外到内大致可分为6 层结构。大脑内原始海马较原始梨状区发达, 前者属于原脑皮, 后者属古脑皮。隔区位于原始海马的下方, 没有外侧隔核和内侧隔核之分。侧脑室的侧壁没有内侧界沟区分原始海马和隔区, 也没有外侧界沟作为原始梨状区和纹状体的分界。爪鲵的纹状体属于古纹状体。有前脉络丛伸入侧脑室。爪鲵的杏仁核是位于第三脑室两侧的两个细胞团。此外, 爪鲵端脑内细胞形态和大小分化较为单一。爪鲵在两栖纲动物中属于较原始的种类。本研究有助于更深入地了解有尾两栖类动物的神经系统。
Starting Page	170
Ending Page	174
Page Count	5
File Format	PDF
ISSN	16737067
Journal	Neuroscience Bulletin
Volume Number	23
Issue Number	3
e-ISSN	19958218
Language	Chinese
Publisher	Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences
Publisher Date	2008-02-03
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	salamander telencephalon morphology histology Pain Medicine Neurology Anatomy Anesthesiology Human Physiology Neurosciences
Content Type	Text
Resource Type	Article
Subject	Neuroscience Physiology Medicine

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