MOTOR NERVE Meaning and
Definition
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Motor nerves, also known as efferent nerves, are a crucial component of the peripheral nervous system that transmit signals from the central nervous system (CNS) to the muscles and glands throughout the body. These nerves allow for voluntary and involuntary movements to be executed, as well as facilitating the release of various secretions and controlling organ functions.
Motor nerves are responsible for conveying information known as motor commands. These commands originate in the brain and spinal cord, which are part of the CNS, and are carried by motor neurons to target tissues. The transmission of these signals allows for the coordination and movement of muscles, enabling actions such as walking, speech, and fine motor skills.
Motor nerves can be further classified as either somatic or autonomic nerves. Somatic motor nerves control voluntary movements that are under conscious control, while autonomic motor nerves regulate involuntary bodily functions, such as digestion, heart rate, and breathing.
Injury or dysfunction of motor nerves can lead to significant impairments in muscle control, resulting in conditions like paralysis, muscle weakness, or spasticity. Disorders affecting motor nerves include amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, and peripheral neuropathy.
Understanding the role of motor nerves is crucial in diagnosing and treating neurological conditions, as they play a fundamental role in facilitating movement and maintaining overall bodily functions.
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An efferent n. conveying an impulse which excites muscular contraction.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MOTOR NERVE
- notor nerve
- kotor nerve
- jotor nerve
- mitor nerve
- mktor nerve
- mltor nerve
- mptor nerve
- m0tor nerve
- m9tor nerve
- moror nerve
- mofor nerve
- mogor nerve
- moyor nerve
- mo6or nerve
- mo5or nerve
- motir nerve
- motkr nerve
- motlr nerve
- motpr nerve
Etymology of MOTOR NERVE
The word "motor" comes from the Latin word "motus", which means "motion" or "movement". It is derived from the verb "movere", meaning "to move".
The word "nerve" comes from the Latin word "nervus", which is related to the Greek word "neuron", both of which refer to sinew or tendon, representing the cord-like nature of nerves.
Therefore, the term "motor nerve" combines the Latin word "motus" for motion and the Latin word "nervus" for nerve, indicating a nerve that is involved in controlling and coordinating voluntary movement.
Similar spelling words for MOTOR NERVE
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