12 Questions
In which part of the nervous system do oligodendrocytes and astrocytes inhibit axon regeneration?
Brain
Which type of cells form myelin sheaths around fibers in the brain and spinal cord?
Oligodendrocytes
What is the main role of Schwann cells in the nervous system?
Encircle long nerve fibers and form myelin sheaths outside the brain
What type of stem cells are present in the spinal cord?
Spinal cord stem cells
What do spinal cord-injured stem cells primarily become instead of neurons?
Glial cells
What type of nerve cells did scientists at Johns Hopkins University cause embryonic stem cells to differentiate into?
Spinal cord motor neurons
What significantly increased the success of transplanted neurons in paralyzed rats during later experiments?
Drugs to overcome inhibition from the central nervous system
What was the outcome of the transplanted cells surviving for longer than a month within the spinal cord of rats with spinal cord injuries?
No improvement in symptoms was seen and no functional neuron connections were made.
What is the main focus of the research mentioned in the text?
Using body's own stem cells within the central nervous system
In which organs or structures can cuboidal epithelium be found based on the information provided?
Covering the ovaries
What function does squamous epithelium serve based on the information provided?
Protection
Which type of epithelial tissue is responsible for absorption in the body?
Columnar
Explore the research on spinal cord injuries and stem cells, focusing on the proliferation of stem cells and their differentiation into glial cells instead of neurons. Learn about the efforts of researchers to understand and manipulate this process for potential nerve regeneration.
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