Question:
Spinal cord is a cylindrical tube with a narrow cavity, lined by ependymal cells. This cavity is called ___________.
Spinal cord is a cylindrical tube with a narrow cavity, lined by ependymal cells. This cavity is called ___________.
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{Central canal} is the cavity of the spinal cord, lined by ependymal cells.
Updated On: Feb 4, 2026
- central canal
- neural canal
- inguinal canal
- central sulcus
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The Correct Option is A
Solution and Explanation
Step 1: Structure of spinal cord.
The spinal cord contains a small central cavity that runs longitudinally through it.
Step 2: Lining of the cavity.
This cavity is lined by ependymal cells, which are specialized glial cells.
Step 3: Identification of the cavity.
(A) central canal: Correct. It is the cavity present inside the spinal cord.
(B) neural canal: Incorrect. This term is not used for spinal cord cavity.
(C) inguinal canal: Incorrect. It is related to the abdominal region.
(D) central sulcus: Incorrect. It is a groove on the brain surface.
The spinal cord contains a small central cavity that runs longitudinally through it.
Step 2: Lining of the cavity.
This cavity is lined by ependymal cells, which are specialized glial cells.
Step 3: Identification of the cavity.
(A) central canal: Correct. It is the cavity present inside the spinal cord.
(B) neural canal: Incorrect. This term is not used for spinal cord cavity.
(C) inguinal canal: Incorrect. It is related to the abdominal region.
(D) central sulcus: Incorrect. It is a groove on the brain surface.
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