Anatomy and Physiology HAP101 Chapter Notes - Chapter 13: Intervertebral Foramina, Spinal Canal, Peripheral Nervous System
16 Nov 2016
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Hap101 chapter 13: central nervous system ~ the spinal cord. The first layer of protection for the cns is the skull and the vertebral column: the skull encases the brain and the vertebral column surrounds that spinal cord, providing strong protective defenses against damaging blows or bumps. The second layer of protection for the cns is the meninges, three membranes that lie between the body encasement and the nervous tissue in both the brain and the spinal cord. Vertebral column: the spinal cord is located within the vertebral canal of the vertebral column, the surrounding vertebra provide a sturdy shelter for the enclosed spinal cord. The vertebral ligaments, meninges, and cerebrospinal fluid provide additional protection. Meninges: these are three protective, connective tissue coverings that encircle the spinal cord and the brain, dura mater: this is the most superficial of the three. It is a thick, strong layer composed of dense irregular connective tissue.
