Anatomy: Chapter 13- Central Nervous System questions with correct answers

What is the general organization of nervous tissue in the CNS? Answer Gray Matter- cell bodies, dendrites White Matter- axons, most myelinated (gives white color). Glial cells present in both What are the 3 functions of the spinal cord? Answer 1. Involved in sensory/motor innervation of entire body inferior to head with spinal nerves. 2. Provides two-conduction pathway for signals between body and brain. 3. Major reflex center Where is the spinal cord located? Answer Vertebral canal of the vertebral column, from the foramen magnum to L1 or L2. What is the name of the tapered structure at the inferior end of the spinal cord? Answer Conus medullaris What does the conus medullaris taper into? Answer The filum terminale ~This is a long filament of C.T. covered with pia mater that attaches to the coccyx, anchoring the spinal cord. What are denticulate ligaments? Answer Extensions of the pia mater that attach the spinal cord to bone for stability. What is the cauda equina ("horse tail")? Answer