Roof the fourth ventricle – Anatomy MCQ

Roof the fourth ventricle is formed by all of the following except?
A. Inferior medullary velum
B. Superior medullary velum
C. Obex
D. Median eminence

Correct answer : D. Median eminence

Fourth ventricle – Sagittal section of the brain

Median eminence is seen in the floor of the fourth ventricle.

Roof of the fourth ventricle is formed by:

• Superior medullary velum
• Inferior medullary velum
• Superior cerebellar peduncle
• Tela choroidea of the the fourth ventricle
• Taeniae with the obex

Ref : Human Anatomy, B. D. Chaurasia, 4th ed, Vol 3, pages 341, 342.
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