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Cerebellum histology
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The cerebellar cortex, which is the gray layer on the surface of the cerebellum, is organized into three levels, always in the same order. On the outside, the molecular layer. In the middle, the Purkinje cell layer. On the inside, the granular layer.
And that whole cortex is really a sheet, one single sheet of tissue, packed into folds. Each fold carries inside it a core of white matter, made of fibers, covered on the outside by gray matter, made of the cell bodies of the neurons. It is the trick of a sheet folded accordion style inside a box: it takes up little room and unfolds into a huge surface.
The molecular layer contains the stellate cell, which sits farther out, and the basket cell, which sits farther in. And the middle layer is made of Purkinje cells, large neurons classified as Golgi type I.
In brief
The gray matter of the cerebellar cortex has three layers: molecular on the outside, Purkinje cell in the middle, granular on the inside.
The cortex is a folded sheet, and each fold has an inner core of white matter covered by gray matter.
Picture a sheet folded accordion style inside a box: it takes up little room and unfolds into a huge surface.
The molecular layer contains the outer stellate cell and the inner basket cell; the Purkinje layer contains large Golgi type I neurons.
Sources (1)
- National Center for Biotechnology InformationNeuroanatomy, Cerebellum. StatPearls
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