Question

Which among the following statement is incorrect with respect to the spinal cord?

• A. It extends from the medulla oblongata.
• B. It has an outer gray matter and an inner white matter.
• C. It acts as a link between the brain and the somatic organs of PNS.
• D. It is involved in controlling the basic reflex actions.

Answer 1

The correct option is B It has an outer gray matter and an inner white matter.

• Spinal cord is a cylindrical structure which lies in the neural canal of the vertebral column. They have protective layers similar to the brain and also contain the cerebrospinal fluid.
• White matter which comprises of the myelinated axons, forms the outer layer of the spinal cord.
• The gray matter which consists of cell bodies is located deep inside in the spinal cord.