Anatomy -- Chpt 8.. voc words Crossword
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
                                    
 
 
Down: 1) sheath formed from Schwann cells on outside of some nerve fibers2) sequence of electrical changes when a nerve cell membrane is exposed to a stimulus that exceeds its threshold3) portion of nervous system that controls actions of viscera and skin5) portion of autonomic nervous system that arises from thoracic and lumbar regions of spinal cord6) areas of concentrated rough endoplasmic reticulum within a neuron7) rapid, automatic response to a stimulus8) portion of nervous system outside central nervous system13) subthreshold stimulation of a neuron makes it more responsive to further stimulation16) three membranes that cover the brain and spinal cord18) fatty material that forms Schwann cells on outside of some nerve fibers Across: 4) nerve impulses arriving at the same neuron9) junction between axon of one neuron and dendrite or cell body of another neuron10) mass of neuron cell bodies usually outside central nervous system11) portion of portion of autonomic nervous system that arises from brain and sacral region of spinal cord12) chemical that axon end secrets to control another neuron or an effector14) specialized structure associated with the peripheral end of a sensory portion specific to detecting a particular sensation and triggering a nerve impulse in response which is transmitted to the central nervous system15) portion of nervous system that consist of the brain and spinal cord17) nerve fiber that conducts nerve impulse away from neuron cell body19) motor pathways of peripheral nervous system that lead to skeletal muscles20) nerve fiber that transmits impulses toward neuron cell body21) muscle or gland that responds to stimulation22) network of interlaced nerves or blood vessels23) a neuron sending impulses to multiple other neurons
 

 

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