EMBRYOLOGY
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Hard and thick
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Soft and delicate
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Either A or B
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None of the above
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Detailed explanation-1: -Brain tissue is soft and delicate, and requires protection. In addition to the protection provided by the skull, the brain is surrounded by: the connective tissue membranes, or meninges; the dura mater; the arachnoid layer; and the pia mater.
Detailed explanation-2: -Three layers of membranes known as meninges protect the brain and spinal cord. The delicate inner layer is the pia mater. The middle layer is the arachnoid, a web-like structure filled with fluid that cushions the brain. The tough outer layer is called the dura mater.
Detailed explanation-3: -The brain is very delicate and is well protected by the skull. It is surrounded by a fluid called cerebrospinal fluid (CSF).
Detailed explanation-4: -As the brain is a delicate organ it is surrounded by hard bone and three layers of membranes called meninges which protects it from severe damage. Brain is the most protected organ of the human body. Brain controls the overall function of the body and it is the busiest organ of the body.