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突触小泡分布的形态计量分析。

A morphometric analysis of synaptic vesicle distributions.

作者信息

Fox G Q

机构信息

Max-Planck-Institut für biophysikalische Chemie, Göttingen, F.R.G.

出版信息

Brain Res. 1988 Dec 13;475(1):103-17. doi: 10.1016/0006-8993(88)90203-x.

DOI:10.1016/0006-8993(88)90203-x
PMID:3214719
Abstract

Synaptic vesicle populations have been morphometrically analyzed for size and density. Populations composed of a single size class of vesicles are represented by normal (Gaussian) or positive (log-normal) skew histograms. Populations with multiple size classes generate negative (left) skew distributions. Fixatives containing aldehydes differentially affect these distribution patterns but vesicles are able to withstand tonic effects over a wide range. Reader bias' contribute the most error in the data-collecting process. But despite this, the sizing of vesicle populations can be accomplished with great accuracy. Vesicle density computations, on the other hand, vary over a wide range and are of less value for comparative purposes.

摘要

已对突触小泡群体进行了大小和密度的形态计量学分析。由单一大小类别的小泡组成的群体由正态(高斯)或正(对数正态)偏态直方图表示。具有多个大小类别的群体产生负(左)偏态分布。含有醛的固定剂对这些分布模式有不同的影响,但小泡能够在很宽的范围内承受张力作用。在数据收集过程中,“读者偏差”造成的误差最大。但尽管如此,小泡群体大小的测定仍可非常精确地完成。另一方面,小泡密度计算结果差异很大,用于比较目的时价值较小。

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1
A morphometric analysis of synaptic vesicle distributions.突触小泡分布的形态计量分析。
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2
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