Granule cell

Granule cell is a type of neuron that is found in the cerebellum, hippocampus, and olfactory bulb. These cells are small and densely packed, and they play a crucial role in the processing of information in the brain.

Anatomy

Granule cells are the smallest and most numerous neurons in the brain. They have a small, round cell body with a diameter of about 10 micrometers. The dendrites of granule cells are short and highly branched, forming a complex network of connections with other neurons. The axon of a granule cell is typically long and thin, extending to other areas of the brain.

Function

Granule cells play a crucial role in the processing of information in the brain. They receive input from various sources and relay this information to other neurons. In the cerebellum, granule cells receive input from mossy fibers and relay this information to Purkinje cells. In the hippocampus, granule cells are involved in the formation of new memories. In the olfactory bulb, granule cells help to process smells.

Clinical significance

Abnormalities in granule cells have been implicated in a number of neurological disorders, including epilepsy, schizophrenia, and Alzheimer's disease. Research is ongoing to better understand the role of granule cells in these conditions and to develop potential treatments.

See also

• Neuron
• Cerebellum
• Hippocampus
• Olfactory bulb

References

Granule cell Resources
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