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Multiple Choice
Which term refers to the membranous encasement surrounding the brain?
A
Meninges
B
Peritoneum
C
Pericardium
D
Pleura
Verified step by step guidance
1
Step 1: Understand the question by identifying the key term 'membranous encasement surrounding the brain.' This refers to the protective layers that cover the brain and spinal cord.
Step 2: Recall the anatomy of the brain and its protective structures. The brain is surrounded by three layers of connective tissue called the meninges, which consist of the dura mater, arachnoid mater, and pia mater.
Step 3: Review the definitions of the other options provided: 'Peritoneum' refers to the membrane lining the abdominal cavity, 'Pericardium' refers to the membrane surrounding the heart, and 'Pleura' refers to the membrane surrounding the lungs.
Step 4: Compare the definitions of the options to the description in the question. The term 'meninges' matches the description of the membranous encasement surrounding the brain.
Step 5: Conclude that the correct term for the membranous encasement surrounding the brain is 'meninges,' based on anatomical knowledge and the process of elimination.