The Brain Forms from Three Swellings at the Anterior End

question 39

Multiple Choice

The brain forms from three swellings at the anterior end of the neural tube, which become

• A) elongated and differentiated once the midbrain sends a start signal.
• B) invaginated upon specific genetic signals.
• C) the spinal cord, the reticular system, and the limbic system.
• D) the cerebral hemispheres.
• E) the hindbrain, the midbrain, and the forebrain.

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