Question

Which one of the following statement is correct regarding spinal cord?

• A. It is composed of outer grey matter and inner white matter
• B. It is composed of outer white matter and inner grey matter
• C. It is composed of outer grey matter and inner colourless matter
• D. It is composed of grey matter only

Answer 1

The correct option is B It is composed of outer white matter and inner grey matter

• The brain and spinal cord together make up the central nervous system (CNS).
• The spinal cord extends from the medulla oblongata.
• In the spinal cord, the grey matter extends from the brain into the spinal cord. The grey matter creates a hornlike structure throughout the inside of the spinal cord while the white matter makes up the surrounding sections of the spinal cord.
  So, the correct answer is option B.