Cerebellar granule cell
Cerebellar granule cells form the thick granular layer of the cerebellar cortex and are among the smallest neurons in the brain. (The term granule cell is used for several unrelated types of small neurons in various parts of the brain.) Cerebellar granule cells are also the most numerous neurons in the brain: in humans, estimates of their total number average around 50 billion, which means that they constitute about 3/4 of the brain's neurons.
| Cerebellar granule cell | |
|---|---|
Granule cells, parallel fibers, and flattened dendritic trees of Purkinje cells | |
| Details | |
| Location | Cerebellum |
| Shape | small cell with few dendrites |
| Function | excitatory |
| Neurotransmitter | glutamate |
| Presynaptic connections | Mossy fibers and Golgi cells |
| Postsynaptic connections | Parallel fibers to cerebellar cortex |
| Anatomical terms of neuroanatomy | |
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