NEET PG DENTAL EXAM

EMBRYOLOGY

NERVOUS SYSTEM

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

The cells that form the lining of the cavities of the brain and spinal cord and line the fluid-filled ventricles of the brain are called?

A	arachnoid cells
B	schwann cells
C	ependymal cells
D	neuroglia cells

Explanation:

Detailed explanation-1: -The ependymal cell form the lining of the ventricles and are continuous with the epithelium of the choroid plexus. The arachnoid barrier is formed by the outer layer of the cells of the arachnoid, which are joined by tight junctions and have similar permeability to those of the brain blood vessels.

Detailed explanation-2: -(eh-PEN-dih-mul sel) A cell that forms the lining of the fluid-filled spaces in the brain and spinal cord. It is a type of glial cell.

Detailed explanation-3: -The ependyma is made up of ependymal cells, ependymocytes, a type of glial cell. These cells line the CSF-filled ventricles in the brain and the central canal of the spinal cord. The cells are ciliated simple columnar epithelium-like cells.

Detailed explanation-4: -Structure. The ependyma is made up of ependymal cells called ependymocytes, a type of glial cell.

There is 1 question to complete.