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Question

Which of the following has H-shaped grey matter?

A
Cerebrum
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B
Medulla oblongata
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C
Cerebellum
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D
Spinal cord
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Solution

The correct option is A Spinal cord
D. Spinal cord
Reason: The spinal cord has a central canal, gray matter and white matter with centrally located H-shaped gray matter. It contains numerous cell body and few myelinated axon. Here ventral horns of H are broader than dorsal horns. In case of brain, the gray matter forms the outer layer and is mainly composed of cell bodies of neurons. The inner layer is composed of white matter. It contains axons that join to form nerves. So the correct option is D.

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