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Which of the following PNS neuroglia help to form myelin sheaths around larger nerve fibers in the PNS?
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∙ 12y ago
Schwann Cell
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∙ 12y ago
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What PNS neuroglia help to form myelin sheaths around larger nerve fibers in the PNS?
In the peripheral nervous system, Schwann cells are responsible for forming myelin sheaths around the larger nerve fibres in the PNS. Keep in mind that one Schwann cell myelinates one nerve. You may hear about oligodendrocytes, but these are responsible for myelination in the Central Nervous System, and myelinate multiple nerves.
Which neuroglial cell is responsible for the production of myelin sheaths around axons in the central nervous system?
Oligodendrocyte; processes of the oligodendrocytes form the myelin sheaths around the CNS nerve fibers
What is caused by the destruction of CNS myelin sheaths and the formation of hardened scars?
The destruction of CNS myelin sheaths and the formation of hardened scars are characteristic features of multiple sclerosis (MS). MS is an autoimmune disease where the immune system mistakenly attacks the protective covering of nerve fibers in the central nervous system. This can lead to a wide range of symptoms, including muscle weakness, coordination difficulties, and cognitive problems.
What does the tissues responsible for sensing stimuli?
The body tissue that has fibers that react to stimuli is called the "nervous tissue". The nervous tissue is composed of neurons or nerve cells that receive and transmit impulses and the "neuroglia" that help to transmit nerve impulses and also provide nutrition for the nerve cells.
What are norepinephrine releasing fibers called?
Andrenergic fibers release Norepinephrine and Cholinergic fibers release Acetylcholine.
What PNS neuroglia help to form myelin sheaths around larger nerve fibers in the PNS?
In the peripheral nervous system, Schwann cells are responsible for forming myelin sheaths around the larger nerve fibres in the PNS. Keep in mind that one Schwann cell myelinates one nerve. You may hear about oligodendrocytes, but these are responsible for myelination in the Central Nervous System, and myelinate multiple nerves.
Which neuroglial cell is responsible for the production of myelin sheaths around axons in the central nervous system?
Oligodendrocyte; processes of the oligodendrocytes form the myelin sheaths around the CNS nerve fibers
What insulates nerve fibers?
Myelin sheaths insulate nerve fibers
Is it becaue they are large with thick myelin sheaths?
Your question is not complete. There is not enough information. What are you referring to as "they". Some nerve fibers have thick myelin sheaths and some don't.
The connective tissue sheaths of skeletal muscle in order from internal to external are the?
Several sheaths of connective tissue hold the fibers of a skeletal muscle together. These sheaths from internal to external are the first layer is the endomysium (within the muscle), the second is a layer of fibrous connective tissue called perimysium (around the muscle) and the third is the epimysium , a name that means “outside the muscle.
What are the characteristics of nervous tissue?
Nerve tissue consists of nerve cells, nerve fibers, dendrites, and neuroglia. It is packed closely together and most are strongly branching. Its function are to regulate and control body processes.
Which type of glial cells produces the myelin sheaths that insulate axons or nerve fibers in the central nervous system (CNS)?
myelin sheath
Which of these parts receive nerve impulses from the central nervous system causing muscle fibers to contract A Myelin sheaths B Motor neurons C Sensory neurons D Interneurons?
Motor neurone
Which of the following does not receive branch fibers of the vagus nerves?
Inferior hypogastric plexus
What is caused by the destruction of CNS myelin sheaths and the formation of hardened scars?
The destruction of CNS myelin sheaths and the formation of hardened scars are characteristic features of multiple sclerosis (MS). MS is an autoimmune disease where the immune system mistakenly attacks the protective covering of nerve fibers in the central nervous system. This can lead to a wide range of symptoms, including muscle weakness, coordination difficulties, and cognitive problems.
Which of the following is secreted by nerve fibers in the posterior lobe of the pituitary gland?
antidiuretic hormone
What does the tissues responsible for sensing stimuli?
The body tissue that has fibers that react to stimuli is called the "nervous tissue". The nervous tissue is composed of neurons or nerve cells that receive and transmit impulses and the "neuroglia" that help to transmit nerve impulses and also provide nutrition for the nerve cells.
