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Question

Which foramen is paired in mammalian brain?

A
Foramen of Luschka
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B
Foramen of Magendie
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C
Foramen of Monro
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D
Interventricular foramen
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Solution

The correct option is A Foramen of Luschka
The lateral aperture is a paired structure in mammals. It is an opening in each lateral extremity of the lateral recess of the fourth ventricle of the human brain, which also has a single median aperture. The two lateral apertures provide a conduit for cerebrospinal fluid to flow from the brain's ventricular system into the subarachnoid space; specifically into the cerebellopontine angle. The structure is also called as the lateral aperture of the fourth ventricle or the foramen of Luschka.

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