Question:
The outermost covering of brain is:
The outermost covering of brain is:
Updated On: Jun 14, 2022
- duramater
- arachnoid
- piamater
- choroid layer
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The Correct Option is A
Solution and Explanation
The outermost covering of brain is duramater, which is thick and non-vascular membrane. Middle covering is arachnoid which is a thin, slightly vascular layer, and innermost covering is piamater, which is a thin pigmented vascular layer.
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Concepts Used:
Human Nervous System
The human nervous system is responsible for controlling and coordinating all the activities of the human body.
The three major functions of the human nervous system are:
- Gathering or assembling sensory information from the body and external environment.
- Processing and interpreting the sensory information acquired.
- Conveying or transferring appropriate response to the sensory information acquired.
The nervous system is mainly divided into two, namely:
The Central Nervous System (CNS) comprises the brain and spinal cord.
- The brain is majorly involved in the perception and processing of sensory input. It also regulates or manages voluntary motor responses and homeostatic mechanisms.
- The spinal cord act as a pathway for the transmission of information between the brain and the peripheral nervous system. It also takes action on reflex actions.
The Peripheral Nervous System (PNS) comprises sensory/motor neurons and ganglion.