VAN-0042
QUESTION
Third ventricle is connected to the Fourth ventricle through?
OPTIONS
(A) Foramina of Luschka
(B) Aqueduct of Sylvius
(C) Foramen of Monro
(D) Lateral ventricle
ANSWER
(B) Aqueduct of Sylvius
EXPLANATION
The third ventricle communicates with the fourth ventricle through the cerebral aqueduct (aqueduct of Sylvius), which passes through the midbrain. The foramina of Luschka connect the fourth ventricle with the subarachnoid space, and the foramen of Monro connects the lateral ventricles with the third ventricle.
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