efferent nerve
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Definition
- Noun:
- A nerve that carries signals away from the central nervous system: An efferent nerve transmits motor impulses from the brain or spinal cord to muscles or glands, causing them to act.
Usage Examples
- Noun:
- The sciatic nerve is a major efferent nerve controlling leg muscles.
- Damage to an efferent nerve can result in paralysis of the muscle it serves.
Advanced Usage
- In neuroanatomy: The term is often used in contrast to "afferent nerve." An efferent nerve is an or , carrying output commands.
- The study focused on the efferent nerves responsible for salivary secretion.
Variants and Related Words
- Efferent (adj): Conducting outward from a central part. Used to describe nerves, neurons, or pathways.
- The efferent signals from the brain initiate movement.
- Motor nerve (n): A common synonym for efferent nerve, specifically emphasizing control of muscles.
- Efferent neuron (n): The nerve cell whose axon forms an efferent nerve fiber.
Synonyms
- Motor nerve: A nerve carrying impulses to muscles.
- Efferent fiber: A single nerve fiber within an efferent nerve.
Related Phrases and Terms
- Efferent pathway: The route traveled by efferent nerve signals.
- The reflex arc includes both an afferent and an efferent pathway.
- Efferent division: Refers to the entire output part of the peripheral nervous system.
Noun
- a nerve that conveys impulses toward or to muscles or glands