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What is non-myelinated nerve fiber?
a nerve fiber that lacks the fatty myelin insulating sheath. Such fibers form the gray matter of the nervous system, as distinguished from the white matter of myelinated fibers. Also called nonmedullated nerve fiber.
Which autonomic motor fibers are carried by the vagus nerve?
Vagus nerve carries parasynpathetic nerve fibers .
Are efferent nerve fibers described as motor nerve fibers?
Yes, efferent nerve fibers are often described as motor nerve fibers. Efferent nerves carry signals away from the central nervous system to muscles and glands, controlling movement and bodily functions.
What substance slows the message passing from the brain to the rest of the body?
Unmyelinated nerve fibers are slower than myelinated nerve fibers. The fibers covered by myelin are much faster.
What part of a spinal nerve contains only efferent fibers?
The ventral root of the spinal nerve has the efferent fibers and the dorsal root has the afferent. Prior to joining each other in the spine they each consist of only those fibers.
Are efferent nerve fibers also described as motor nerve fibers?
yes
What is The name of the Microscopic nerve fibers in the myocardium?
the microscopic nerve fibers are called chemocytes
A bundle of nerve fibers?
The bundle of the nerve fibers is a collection of the threadlike extension of the nerve cell that consists of the myelin sheath and axon in the nervous system. There are nerve fibers in the peripheral nervous system and the central nervous system.
What insulates nerve fibers?
Myelin insulation insulates nerve fibers by wrapping around them and forming a protective sheath. This myelin sheath helps to increase the speed of nerve impulse conduction along the nerve fibers.
Is the glossopharyngeal nerve the only cranial nerve that contains sensory fibers?
No, the glossopharyngeal nerve (CN IX) is not the only cranial nerve that contains sensory fibers. Other cranial nerves, such as the trigeminal nerve (CN V), facial nerve (CN VII), vestibulocochlear nerve (CN VIII), and vagus nerve (CN X), also contain sensory fibers in addition to motor or mixed fibers.
The short branched nerve fibers on the nerve cell that are the receptive areas of the neuron are known as the?
the short branched nerve fibers on the nerve cell are called dendrites
What is non-myelinated nerve fiber?
a nerve fiber that lacks the fatty myelin insulating sheath. Such fibers form the gray matter of the nervous system, as distinguished from the white matter of myelinated fibers. Also called nonmedullated nerve fiber.
Which autonomic motor fibers are carried by the vagus nerve?
Vagus nerve carries parasynpathetic nerve fibers .
Are efferent nerve fibers described as motor nerve fibers?
Yes, efferent nerve fibers are often described as motor nerve fibers. Efferent nerves carry signals away from the central nervous system to muscles and glands, controlling movement and bodily functions.
Is the glossopharyngeal nerve the only nerve that contains sensory fibers?
no
What are the differences between myelinated and unmyelinated nerve fibers in terms of their conduction speed and efficiency?
Myelinated nerve fibers conduct electrical signals faster and more efficiently compared to unmyelinated nerve fibers. This is because the myelin sheath insulates and speeds up the transmission of signals along the nerve fibers.
What type of nerve fibers are found in the ventral ramus of a spinal nerve?
The ventral ramus of a spinal nerve contains both sensory and motor nerve fibers. These fibers innervate the muscles, joints, and skin on the front part of the body.
