38. The outer membrane that covers the brain is A.Myelin sheath B.Dura mater C.Arachnoid membrane D.Pia mater
Answer: Option B Solution: 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.
