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日本七鳃鳗（Lampetra japonica）细胞内标记的巨型中间神经元上突触终末的差异分布。

Differential distribution of synaptic terminals on intracellularly marked giant interneurons of the lamprey, Lampetra japonica.

作者信息

Sekiya S, Homma S

机构信息

Saigata National Sanatorium, Niigata, Japan.

出版信息

Jpn J Physiol. 1987;37(5):899-909. doi: 10.2170/jjphysiol.37.899.

DOI:10.2170/jjphysiol.37.899
PMID:3449666
Abstract

Differential distribution of synaptic terminals on the soma and dendrites of lamprey (Lampetra japonica) giant interneurons were investigated with electron microscope after marking them intracellularly with Procion scarlet. Synaptic terminals were classified by the morphology of their synaptic vesicles as S (spherical) or F (flat). The ratio of F-terminals to S-terminals (F/S) on the somata was 2.62 from 5 neurons (number of terminals observed, n = 527), and that on the dendrites from 3 neurons was 0.71 (n = 348). The physiological meanings of differential distribution of synaptic terminals were discussed.

摘要

在用普施安猩红对七鳃鳗（日本七鳃鳗）巨中间神经元的胞体和树突进行细胞内标记后，利用电子显微镜研究了突触终末在其上的差异分布。突触终末根据其突触小泡的形态分为S型（球形）或F型（扁平型）。5个神经元胞体上的F型终末与S型终末的比例（F/S）为2.62（观察到的终末数量，n = 527），3个神经元树突上的该比例为0.71（n = 348）。文中讨论了突触终末差异分布的生理意义。

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