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The cervical region of the spinal cord contains the most white matter. This is primarily due to the presence of ascending and descending nerve fibers that carry sensory and motor information between the brain and the rest of the body. As you move down the spinal cord to the thoracic and lumbar regions, the amount of white matter decreases while the gray matter increases, reflecting the local processing of information in those areas.

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14h ago

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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 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 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.


How is gray matter different from white matter?

White matter consists of neurons that have axons coated in something called myelin, which allows the neuron to fire faster. Gray matter consists of neurons that are not protected by myelin, and fire slower than myelinated neurons.


What color is a spinal cord?

The spinal cord is mainly white, with a grey, butterfly shaped area of grey at its center.


What are inhibor substances surrounding the myofilaments?

what is an area of gray matter in the spinal cord


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.


How does the arrangement of white matter and gray matter differ in the spinal cord and the brain?

Gray matter in the cerebrum is located in the cerebral cortex and in the deeper basal nuclei, and the white matter lies deep to the neural cortex and around the basal nuclei (Fundamentals of Anatomy and Physiology, Martini & Nath, 2009, p. 480).The central area of the spinal cord is gray matter, and the outer surface of much of the brain consist of gray matter called cortex. (Anatomy and Physiology, Seeley Stephens Tate, 2008, p. 382)


Function of white matter in the brain?

White matter in the brain consists of nerve fibers (axons) that connect different parts of the brain to each other and to the spinal cord. It acts as a communication network, allowing neurons in different brain regions to send signals and work together to carry out various functions such as motor coordination, sensory processing, and cognitive tasks.


What is ventral subarachnoid?

It is the area between the pia matter and the arachnoid membrane of the brain. The pia matter is part of the membrane that surrounds the brain and spinal cord. The arachnoid membrane is the inner layer of three layers that surround the brain and spinal cord.


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it depends on which size it is and how much matter it contains