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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.
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What type of fibers make up the posterior and anterior roots of the spinal nerve?
Both Afferent and Efferentboth sensory and motorContains motor & sensory fibers!The spinal cord consists of nerve fibers that are afferent and efferent.
Are efferent nerve fibers described as motor nerve fibers?
Yes.
What branch of the spinal nerve contain autonomic fibers?
The rami communications
What are the longitudinal bundles of nerve fibers within the spinal cord compise major nerve pathways called?
Nerve Tracts
What nerve that contains fibers that both send and receive messages is called?
Sensory Nerve
What type of fibers make up the posterior and anterior roots of the spinal nerve?
Both Afferent and Efferentboth sensory and motorContains motor & sensory fibers!The spinal cord consists of nerve fibers that are afferent and efferent.
Are efferent nerve fibers also described as motor nerve fibers?
yes
Are efferent nerve fibers described as motor nerve fibers?
Yes.
Carries impulses between spinal cord and body parts?
CENTRAL
Spinal nerve contains both motor and sensory nerve fibers for 2-way communications?
yes
CAN reflex action controlled by spinal cord?
Simple reflexes are controlled by the spinal cord. The message travels from the sense receptors near the skin through the afferent nerve fibers to the spinal cord. In the spinal cord, the messages are relayed through association neurons to the efferent nerve fibers, which carry them to the muscle cells that cause the reflex movement.
Area of spinal cord that contains nerve fibers surrounded by myelin sheath?
the part of the spinal cord that contains mylinated axons is the White matter portion.
What contains the cranial nerve and spinal nerve?
Spinal Accessory Nerve
Anterior root of the spinal cord is composed of?
The anterior root is composed of nerve fibers responsible for motor activity (i.e. efferent nerve fibers that will stimulate muscles, etc.). I think some of the things it is composed of include:Gamma motor neurons, alpha motor neurons, preganglionic autonomic neurons
What is the bundle of nerve fibers that send messages to the brain which interprets them?
The nerves that carry impulses toward the brain are called efferent nerves. Afferent nerves carry impulses away. In way to remember this is afferent equals away.
Are effernet nerve fibers described as motor nerve fibers?
Yes, remember the mnemonic SAME DAVESAME DAVE:sensory is afferent, motor is efferentdorsal is afferent, ventral is efferent
Is the glossopharyngeal nerve the only nerve that contains sensory fibers?
no
