Betz cells

Definition

Betz cells are large pyramidal neurons located in the fifth layer of the primary motor cortex, known for their role in initiating and controlling voluntary movements. These cells generate rapid and powerful signals that travel down the spinal cord to stimulate muscle fibers.

Related terms

Motor Cortex:

The region of the cerebral cortex involved in planning, controlling, and executing voluntary movements.

Pyramidal Neurons: A type of neuron found in areas of the brain such as the cerebral cortex, characterized by a pyramid-shaped cell body and long dendrite extending from its apex.

Spinal Cord:

A long, thin, tubular structure made up of nervous tissue that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column; it conducts sensory and motor nerve impulses to and from the brain