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Questions and Answers
In which part of the nervous system do oligodendrocytes and astrocytes inhibit axon regeneration?
In which part of the nervous system do oligodendrocytes and astrocytes inhibit axon regeneration?
- Peripheral nerves
- Muscles and glands
- Brain (correct)
- Spinal cord
Which type of cells form myelin sheaths around fibers in the brain and spinal cord?
Which type of cells form myelin sheaths around fibers in the brain and spinal cord?
- Astrocytes
- Schwann cells
- Microglia
- Oligodendrocytes (correct)
What is the main role of Schwann cells in the nervous system?
What is the main role of Schwann cells in the nervous system?
- Inhibit axon regeneration in the central nervous system
- Support neurons and engulf bacterial debris
- Encircle long nerve fibers and form myelin sheaths outside the brain (correct)
- Encircle long nerve fibers and form myelin sheaths in the brain
What type of stem cells are present in the spinal cord?
What type of stem cells are present in the spinal cord?
What do spinal cord-injured stem cells primarily become instead of neurons?
What do spinal cord-injured stem cells primarily become instead of neurons?
What type of nerve cells did scientists at Johns Hopkins University cause embryonic stem cells to differentiate into?
What type of nerve cells did scientists at Johns Hopkins University cause embryonic stem cells to differentiate into?
What significantly increased the success of transplanted neurons in paralyzed rats during later experiments?
What significantly increased the success of transplanted neurons in paralyzed rats during later experiments?
What was the outcome of the transplanted cells surviving for longer than a month within the spinal cord of rats with spinal cord injuries?
What was the outcome of the transplanted cells surviving for longer than a month within the spinal cord of rats with spinal cord injuries?
What is the main focus of the research mentioned in the text?
What is the main focus of the research mentioned in the text?
In which organs or structures can cuboidal epithelium be found based on the information provided?
In which organs or structures can cuboidal epithelium be found based on the information provided?
What function does squamous epithelium serve based on the information provided?
What function does squamous epithelium serve based on the information provided?
Which type of epithelial tissue is responsible for absorption in the body?
Which type of epithelial tissue is responsible for absorption in the body?
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