The spinal cord passes through

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Foramen of Monro

Iter

Obturator foramen

Foramen magnum

answer is D.

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Detailed Solution

Concept- The bony arch protects the neural structure, which is located inside the backbone's canal. It comes from the bulb, the last segment of the hindbrain, which exits the skull through a hole called a foramen and connects to the funiculus.
The foramen may be sizable foramina or opening at the base of the skull. Because it leaves the posterior cerebral cavity through the foramen, the neural structure, which is an extension of the neural structure of the brain stem, travels through it. Additionally, the meningeal layer goes through it. The tectorial membranes, alarm ligaments, anterior and posterior spinal arteries, and vertebral arteries are transmitted through the foramen. Additionally, it sends the nervus accessorius nerve to the brain.
Hence, the correct answer is option 4.

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