EFFERENT NEURONS Meaning and
Definition
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Efferent neurons, also known as motor neurons or motor efferents, are a type of nerve cell that transmit signals from the central nervous system (CNS) to the muscles, organs, and glands throughout the body. These neurons are responsible for carrying out motor functions and initiating voluntary and involuntary movements.
Efferent neurons are classified as part of the peripheral nervous system (PNS), which includes all nerve tissue outside of the brain and spinal cord. They receive information from other types of neurons called afferent or sensory neurons, which transmit signals from the body's sensory receptors to the CNS. By receiving and processing this sensory information, efferent neurons can trigger appropriate responses or actions.
These neurons have long extensions called axons that allow them to transmit signals over long distances, enabling the CNS to communicate with various parts of the body. The axons of efferent neurons can be myelinated, meaning they are surrounded by a protective fatty substance called myelin, which enhances the transmission speed of signals.
Efferent neurons are crucial for motor coordination, muscle contraction, and the functioning of various bodily systems, such as digestion, respiration, and circulation. They play a vital role in maintaining homeostasis and responding to external stimuli. Impairment or damage to efferent neurons can result in motor deficits, paralysis, or loss of control over bodily functions.
In summary, efferent neurons are a type of nerve cell that transmit signals from the central nervous system to muscles, organs, and glands, allowing for the initiation of voluntary and involuntary movements and the regulation of bodily systems.
Common Misspellings for EFFERENT NEURONS
- dfferent neurons
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- efderent neurons
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- effsrent neurons
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- effrrent neurons
Etymology of EFFERENT NEURONS
The word "efferent" comes from the Latin word "efferre", which means "to carry out". In anatomy and physiology, "efferent" refers to the neural pathways that carry signals away from the central nervous system towards the periphery or other target tissues.
The term "neurons" refers to the specialized cells that transmit electrical impulses in the nervous system.
Therefore, the term "efferent neurons" is derived from the combination of "efferent" and "neurons", indicating the specific neurons responsible for carrying signals away from the central nervous system to other parts of the body.
Similar spelling word for EFFERENT NEURONS
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