文档介绍：Chapter 9
Nervous System
Objectives
System-Basic Structure and Function
pleting this chapter, you should be able to: name the two major divisions of the nervous system and list ans within each; fully discuss the three general functions of the nervous system, and draw a figure that summarizes them; construct a flow chart illustrating the relationship between the divisions of the nervous system; distinguish between sensory receptors and effectors; describe the structure of a neuron; compare the histological characteristics of neuroglia and neurons; describe grey matter and white matter, and give examples of each; describe the cellular properties that munication among neurons and effectors; describe the various types of neural circuits in the nervous system; define the terms ventricles and central canal (in S); classify neurons according to their function; classify neurons according to their structure, drawing an illustration of each.
II. The Spinal Cord and Brain
pleting this chapter, you should be able to: outline the major divisions of the nervous system; discuss how ans of the central nervous system (CNS) are protected in terms of bones, membranes and fluid; discuss the external structure of the spinal cord in terms of its length, start, end, number of segments, and enlarged areas; name the terminal point of the spinal cord, the term used for how the remaining spinal nerves appear, and the point at which they terminate; fully discuss the cross-sectional anatomy of the spinal cord; distinguish between a "horn" and a "column" in the spinal cord; explain which portion of the spinal cord is the location for the major nerve tracts, and discuss their significance; compare and contrast ascending and descending tracts; discuss the general characteristics of nerve tracts; discuss the features located on the periphery of the spinal cord in cross-section; define the term ganglion and discuss the specificities of a dorsal root ganglion.
You should be able to: