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Which cranial nerve forms a midline connection allowing fibers to cross to the opposite side of the brain?
thalamus
What do you call collection of nerve fibers in the brain longitudinal in form?
The collection of nerve fibers in the brain that are longitudinal in form is called a "fasciculus." Fasciculi are bundles of nerve fibers that travel together and share a common function or destination within the brain.
Nerve fibers from the medial aspect of each eye do what?
Nerve fibers from the medial aspect of each eye cross over at the optic chiasm to the opposite side of the brain. This allows visual information from each eye to be processed by both hemispheres of the brain for a more integrated perception of the visual world.
Where nerves cross over is it cerebellum cerebrum hypothalamus medulla oblongata or pons?
The nerves cross over at the medulla oblongata. This is where the nerve fibers from the brain cross to the opposite side of the body, allowing for communication between the brain and the rest of the body.
Where does decussation take place?
Decussation typically takes place in the brainstem and spinal cord, where nerve fibers cross over from one side of the central nervous system to the other. This crossing is important for coordinating movements and sensory information between the brain and body.
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.
Which structure is a bundle or group of nerve fibers located within the brain or spinal cord?
a tract is a bundle or group of nerve fibers located within the brain or spinal cord
How is olfactory impulse carried to brain?
Olfactory impulses are carried to the brain by olfactory nerve fibers, which are specialized nerve cells located in the roof of the nasal cavity. These nerve fibers send signals to the olfactory bulb located in the brain, where the information is processed and interpreted as different smells.
Nerve fibers send an impulse to the brain when the waves reach the?
Cochlea.
Which condition is characterized by scattered patches of demyelination of nerve fibers of the brain?
Multiple sclerosis is a condition characterized by scattered patches of demyelination of nerve fibers in the brain and spinal cord. This demyelination disrupts the ability of nerve fibers to conduct electrical impulses, leading to various neurological symptoms.
What are the different types of nerve fibers and how do they function within the nervous system?
There are three main types of nerve fibers: sensory, motor, and mixed. Sensory fibers carry information from the body to the brain, motor fibers carry signals from the brain to the muscles, and mixed fibers can do both. These fibers work together to transmit signals throughout the nervous system, allowing for communication between the brain and the rest of the body.
Where does the optic nerve end up after it leaves the eye?
The optic nerve ends up connecting to the brain at a structure called the optic chiasm, where fibers from both eyes cross over. From the optic chiasm, the nerve continues to the visual cortex in the occipital lobe at the back of the brain, where visual information is processed.
