Health Sciences 3300A/B Chapter Notes - Chapter 17: Foramen Magnum, Spinal Canal, Cerebrospinal Fluid
11 Jan 2019
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Chapter 17 - the spinal cord and the spinal nerves. Describe the protective structures of the spinal cord. Explain the external features of the spinal cord. Describe the external anatomy of the spinal cord. The three main layers of protection for the cns are: the skull (brain) and vertebral colum (spinal cord) Meninges - between the bony protection and nervous tissue. Cerebrospinal fluid - located between the meningeal membranes. The spinal cord is located within the vertebral canal which is made up of vertebral foramina and located in the vertebral column. The three layers that make up the meninges are: dura mater. Superficial and thickest layer that is made up of irregular connective tissue - and it is believed that all bodily tissues arose from it. It forms a sac from the foramen magnum to occipital bone and is continuous w/ the outer covering of the cranial and spinal nerves. Thin avascular layer that is made up of loose collagen.
