From Which Layer Do All Neurons and Glia of the Brain

question 1

Multiple Choice

From which layer do all neurons and glia of the brain and spinal cord in a vertebrate embryo arise?

• A) Mantle zone
• B) Intermediate zone
• C) Ventricular zone
• D) Marginal zone

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Definitions:

Efferent Division

The part of the nervous system that conveys signals from the central nervous system to effector organs like muscles and glands.

Peripheral Nervous System

The part of the nervous system that lies outside the central nervous system, comprising nerves and ganglia, responsible for transmitting sensory input and motor output between the CNS and the rest of the body.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for integrating sensory information and responding accordingly.

Sensory Division

Part of the peripheral nervous system that transmits sensory information to the central nervous system.