central nervous system peripheral nervous system neuron neuroglia afferent (sensory) efferent (motor) cell body dendrites axon axon terminal tract Schwann Cells nodes of Ranvier basal nuclei diencephalon hypothalamus
sensory neurons motor neurons interneurons resting potential action potential saltatory conduction myelin refractory period synapse synaptic cleft pre/postsynaptic membrane neurotransmitter somatosensory area association areas prefrontal area
cerebellum brain stem midbrain pons medulla oblongata reticular formation motor speech area/Broca's Wernicke's area/generation thalamus limbic system hippocampus meninges interpretive area
dura mater gray matter white matter arachnoid mater pia mater cerebrospinal fluid cerebrum cerebral hemispheres corpus callosum cerebral cortex primary motor area somatic motor system automatic motor system cranial nerves spinal nerves dorsal root ganglion reflexes knee-jerk reflex ankle-jerk reflex sympathetic division parasympathetic division
Chapter 8: Objectives 1) Describe the 3 functions of the nervous system. 2) Know the structure of a neuron and the 3 types. 3) Explain how a nerve impulse is conducted using steps provided. 4) Describe the major parts of the brain and the functions of each lobe. 5) Describe the details of the spinal cord. 6) Know the difference between a sensory, motor, and mixed nerves. 8) Name eight spinal nerves and the function of each 9) Know the two types of reflexes and the function of reflex action. 10) Define autonomic and nervous, know the difference between the two. 11) Distinguish between sympathetic and parasympathetic divisions, provide examples and effects on specific organs.