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The closure of the rostral neuropore of the embryo is represented by the ___________ in the adult.

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Communicating (nonobstructive) hydrocephalus may be caused by inflammation of the:

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One source of extrachoroidal CSF production is the:

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Which of the following areas does not contain choroid plexus?

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A stillborn infant exhibited severe facial abnormalities and upon autopsy it was discovered that the brain lacked significant gyri and sulci. At this point, the most likely diagnosis is:

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During the second trimester of a pregnant 24-year-old, abnormally high levels of alpha-fetoprotein are found in her blood. Such elevated levels may be indicative of what fetal abnormality?

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Failure of the metencephalon to develop correctly will have the greatest effect on:

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Failure of proper neural crest migration will have the greatest impact on:

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Failure of the rhombic lips to form properly will most likely lead to problems with:

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In neurodevelopment there are often more neurons than needed for innervation of structures such as the skeletal muscle. A process of pruning or the elimination of some neurons occurs in normal development. The factor that is released from the skeletal muscle that allows for proper neuronal innervation is:

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