Purkinje

Purkinje (also known as Purkinje cells or Purkinje neurons) are a class of neurons located in the cerebellum, a region of the brain that plays an important role in motor control. They are named after their discoverer, Czech anatomist Jan Evangelista Purkyně.

Anatomy

Purkinje cells are some of the largest neurons in the human brain. They have an extensive, tree-like network of dendrites, which receive signals from other neurons. The cell body of a Purkinje cell sends signals to the deep cerebellar nuclei, which then send signals to other parts of the brain.

Function

Purkinje cells play a crucial role in coordinating motor movements. They receive two types of input: one from the cerebellar cortex and one from the inferior olivary nucleus. These inputs allow Purkinje cells to integrate information about the body's position and movement, and send appropriate signals to the rest of the brain.

Clinical significance

Damage to Purkinje cells can result in a variety of neurological disorders, including ataxia, autism, and schizophrenia. Research is ongoing to better understand the role of Purkinje cells in these conditions and to develop potential treatments.

See also

• Neuron
• Cerebellum
• Ataxia
• Autism
• Schizophrenia