PMID: 2091408Jan 1, 1990Paper

A quantitative histological study of Golgi II neurons and pale cells in different cerebellar regions of the adult and ageing mouse brain

Zeitschrift für mikroskopisch-anatomische Forschung
R R Sturrock

Abstract

Two types of medium to large sized neurons are present in the granular layer of the mouse cerebellum. One type has a large nucleus with a prominent nucleolus and a moderate amount of cytoplasm containing Nissl substance. This type corresponds to the classical Golgi II neuron. The second type has a much smaller nucleus (mean diameter 8.4 microns) with a darkly staining nuclear envelope which is almost invariably deeply indented by cytoplasmic intrusions. The nucleolus is smaller and less conspicuous than in Golgi II neurons. These neurons are identical to the pale cells described by Altman and Bayer (1977). The numbers of both types of neuron were estimated in the spinocerebellum, lobus simplex and nodulus in mice aged 6, 15, 22, 25, 28 and 31 months. There was no significant variation in the number of either Golgi II neurons or pale cells with age in any part of the cerebellum. The number of Golgi II neurons per mm3 was similar in all parts of the cerebellum (mean 3560 mm3). This was identical to the mean number of pale cells per mm3 in the spinocerebellum and pontocerebellum but in the nodulus pale cells were much more numerous (mean 41,170 per mm3). It is postulated that pale cells are small Golgi II neurons.

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