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Multiple Choice
All of the structures of the CNS originate from the __________.
A
hindbrain
B
cerebellum
C
neural tube
D
telencephalon
Verified step by step guidance
1
Understand that the central nervous system (CNS) is composed of the brain and spinal cord, which develop from embryonic structures.
Recognize that during embryonic development, the neural tube is the precursor to the CNS. It forms from the ectoderm layer of the embryo.
The neural tube undergoes differentiation to form various regions of the brain and spinal cord. This process is crucial for the development of the CNS.
Identify that the neural tube gives rise to primary brain vesicles, which further differentiate into secondary brain vesicles, leading to the formation of specific brain structures.
Conclude that all structures of the CNS originate from the neural tube, as it is the initial embryonic structure that develops into the brain and spinal cord.