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Spinal Cord Development — Central & Peripheral Nervous System Development
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Spinal Cord Development
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Spinal Cord Development MCQs: practice questions
Sample Spinal Cord Development multiple-choice questions from Central & Peripheral Nervous System Development.
Which neural-tube zone becomes the white matter of the CNS?
- A. Floor plate
- B. Ventricular zone
- C. Alar plate
- D. Marginal zone
- E. Intermediate zone
At what age are corticospinal tracts generally functionally myelinated according to the source?
- A. End of 2 years
- B. 5 years
- C. 1 year
- D. 3 months
- E. At birth
Which glial cell myelinates axons in the PNS?
- A. Schwann cell
- B. Oligodendrocyte
- C. Ependymal cell
- D. Microglial cell
- E. Astrocyte
Which glial cell myelinates axons in the CNS?
- A. Ependymal cell
- B. Astrocyte
- C. Oligodendrocyte
- D. Schwann cell
- E. Microglial cell
Which spinal-cord structure contains the ventral white commissure?
- A. Roof plate
- B. Ventricular zone
- C. Floor plate
- D. Basal plate
- E. Alar plate
Which cell population forms the dorsal root ganglia?
Which zone lies between the ventricular and marginal zones?
Which neural-tube zone contains axons of neuroblasts?
Which part of the neural tube gives rise to the central canal of the spinal cord?
Which CNS cell type arises from monocytes rather than glioblasts?
Which cells of the CNS arise from glioblasts?
Which spinal-root component contains motor fibers from basal-plate neuroblasts?
What does the alar plate of the spinal cord primarily produce?
What is the adult fate of the sulcus limitans in the brainstem?
What anchors the spinal cord to the coccyx?
What does the basal plate of the spinal cord primarily produce?
Which plate contains general visceral efferent cell regions?
What forms the cauda equina during spinal development?
Which spinal-cord structure is nonneural and connects the two alar plates?
When do microglia enter the developing nervous system according to the source?
Which structure separates the alar and basal plates?
At week 8, how far does the spinal cord extend?
Which cells remain in the ventricular zone and form ependymocytes?
In adults, where does the conus medullaris normally end?
Which zone of the early neural tube is innermost?
Which neural-tube zone becomes the gray matter of the CNS?
When does the sulcus limitans first appear?
At birth, where does the conus medullaris end?
Which spinal-root component carries sensory fibers toward the spinal cord?
Which plate contains general somatic afferent cell regions?