Plate 6.95 Cerebellum: Cortex

Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger, Jr., Ph.D.
Peer Review Status: Externally Peer Reviewed

Granule cell parallel fibers: Axons of granule cells ascend from the granule cell layer to the molecular layer, where each divides into two branches that run horizontally across the layer, establishing synapses with dendrites of several Purkinje cells. They also establish synapses with Golgi, basket, and stellate cell dendrites.

Purkinje cell body: Large flask-shaped cell.

Purkinje cell dendrite with climbing fiber: Purkinje cell dendrites and climbing fibers run parallel to each other. The latter have an excitatory influence on Purkinje cells. The climbing fiber appears as a thin black line on the thicker brown-stained Purkinje cell dendrite.

Basket cell: A special variety of stellate cell in the molecular layer close to the Purkinje cells. Axons of basket cells run transversely in the molecular layer, giving off collaterals that form a "basket" arborization around Purkinje cells.

Granule cell layer: A layer of small granule cells under the Purkinje cell layer. it receives the major input to the cerebellum.

See also Plates 92, 93, 94, 95, 96, 97, 98 and 99.

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