Ventral root
Ventral Root
The Ventral Root (pronounced: VEN-tral root) is a crucial component of the Peripheral Nervous System (PNS).
Etymology
The term 'Ventral Root' is derived from the Latin word 'venter', meaning 'belly', and the Old English word 'rōt', meaning 'root'.
Definition
The Ventral Root is a bundle of Motor Neuron axons that exit the Spinal Cord. These roots, along with the Dorsal Root, combine to form a Spinal Nerve, which is part of the peripheral nervous system.
Function
The primary function of the Ventral Root is to transmit motor information from the spinal cord to the body's muscles and glands. This information is crucial for voluntary and involuntary movements, as well as for the regulation of certain body functions.
Related Terms
- Motor Neuron: A type of nerve cell that is directly involved in the initiation of movement in the body.
- Spinal Cord: The long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column.
- Dorsal Root: The sensory root that enters the spinal cord.
- Spinal Nerve: A mixed motor and sensory nerve, carrying information both to (motor) and from (sensory) the central nervous system.
External links
- Medical encyclopedia article on Ventral root
- Wikipedia's article - Ventral root
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