efferent fiber

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Word: Efferent Fiber

Part of Speech: Noun

Definition: An efferent fiber is a type of nerve fiber that carries signals away from the brain or spinal cord to the muscles or glands. This means it helps control actions or responses in the body, like moving your arm or sweating.

Usage Instructions:

• You can use "efferent fiber" when talking about how the nervous system works, especially in biology or medicine.
• It is often used in scientific discussions or textbooks.

Example Sentence:

• "When you decide to lift your hand, the efferent fibers send signals from your brain to the muscles in your arm to make that movement happen."

Advanced Usage:

• In more advanced discussions, you might talk about the role of efferent fibers in different systems of the body, such as the autonomic nervous system, which controls involuntary actions.

Word Variants:

• Efferent (adjective): Describing something that carries signals away from a central point, like "efferent neurons."
• Afferent (adjective): The opposite of efferent; it refers to fibers that carry signals toward the brain or spinal cord.

Different Meaning:

• "Efferent" can be used more generally to describe anything that moves away from a central source, but it is most commonly used in biological contexts.

Synonyms:

• Motor fiber: Another term that refers to efferent fibers specifically related to muscle movement.
• Outgoing fiber: A less common term that describes the same concept.

Idioms and Phrasal Verbs:

• There are no specific idioms or phrasal verbs that include "efferent fiber" as it is a technical term. However, you can discuss "sending signals" or "transmitting impulses" in a similar context.

Summary:

Efferent fibers are essential for communication within the body, allowing the brain to control movements and functions through signals sent to muscles and glands.

Academic

Noun

1. a nerve fiber that carries impulses toward the muscles or glands

Synonyms

• motor fiber