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That is a very good question. Gray matter is composed of cell bodies of neurons. Such cell bodies are also covered by myalin sheath. But the colour of myalin sheath is dominated by the color of nerve cell bodies. ( Without the myelin sheath, there will be short circuit.)
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State the structure of neurons which reduces leakage of impulses?
Myelin sheath, which is only found on long axons (white matter), not on short cortical neurons (grey matter).
Would you expect synapses to occur in grey matter or in white matter?
Synapses are seen more in grey matter because dendrites meet with axonites in grey matter and dendrite is a part of grey matter.
How do you account for difference grey matter white matter?
one's grey and one's white.....they're both matter though...
What does the white matter in the brain do?
No, the white matter in brain tissue is the area of brain tissue that contains the nerve fibre tracts with their covering of myelin which appears white.
Does the cortex of the cerebellum consist of gray or white matter?
Yes. Your cerebellum is actually made up of very tightly folded outer layer of grey matter, and you can find the white matter lies underneath it.
State the structure of neurons which reduces leakage of impulses?
Myelin sheath, which is only found on long axons (white matter), not on short cortical neurons (grey matter).
What is the different between white matter and grey matter?
grey matter- the centre area of the spinal cord that contains cell bodies, their axons and their dendrites. white matter- the outer layer of the spinal cord that contains only myelin coated axons.
Area of cns that has no myelinated nerve fibers?
The grey matter of the brain. Myelin is the insulation (like rubber around a copper wire) to help transmit electrical pulses. The white matter of the brain, our spinal cord and peripheral nerves all transmit signals wit the help of myelin. The grey matter is where the thoughts or actions originate and mostly consist of cell bodies.
Is thalamic nuclei gray or white matter?
All of the cerebral cortex is gray matter as it composed of neuronal cell bodies which are not insulated with myelin.
What does not go gray matter white matter myelin fiber track?
Gray matter doesn't fit. White matter is white because it has myelin covering the axons. And the myelin fiber tract is "white" for the same reason.
What makes brain matter white?
The myelin sheaths found on axons in the brain ("myelinated axons") gives most brain tissue a white color (= "white matter"). The grey, unmyelinated sell bodies, or "soma," of these axons reside in areas of the brain commonly referred to as "grey matter." Ben
How do cells communicate in the brain between white matter and grey matter?
white matter is the area of the brain that contains neurons having what is called a myelin sheath. This sheath is a fatty coating between neuronal connections that makes communication between them much faster and more efficient. This is generally associated with well learned or heavily used connections. For example, your mother's name will certainly have this myelin sheath whereas that person you just met five minutes ago will take continued reinforcement to remember. grey matter is the brain's remaining area for potential growth and connections. white and grey areas are not separate entities that communicate per se. think of grey matter as undeveloped rural land with few or no roads, and white matter as a city with many venues of communication and a high density of information. grey matter is the brain's potential. thus the saying "use your grey matter".
Gray mater is composed of what?
Grey matter contains neural cell bodies, in contrast to white matter, which does not and mostly contains myelinated axon tracts. The color difference arises mainly from the whiteness of myelin. In living tissue, grey matter actually has a gray-brown color, which comes from capillary blood vessels and neuronal cell bodies.
Does a neuron have a coating?
Sometimes, depending on the type and function of the neuron, and when it does, it will be on the AXON of the neuron, not the whole neuron. The AXONS of grey matter in the brain do NOT have a coating, but white matter in the brain DOES, as do longer axons in the peripheral nervous system. The Myelin Sheath which coats white matter in the brain is made up of glial cells called oligodendrocytes, and the myelin sheath around peripheral nerve cells are called Schwann cells.
Is the myelin sheath white?
Yes. You are right. White matter of brain is mainly composed of myelin sheaths, which surround the axons and gray matter is composed of nerve cell bodies.
Would you expect synapses to occur in grey matter or in white matter?
Synapses are seen more in grey matter because dendrites meet with axonites in grey matter and dendrite is a part of grey matter.
What give white matter its white color?
Myelin in the myelinated axon
