Week 5a Chapter 11 Nervous System (S).ppt - Nervous System...

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Copyright © 2015. F.A. Davis Company Nervous System Nervous System Chapter 11 Chapter 11
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Copyright © 2015. F.A. Davis Company 11 11 NERVOUS SYSTEM Structure Structure Two main divisions of nervous system Central nervous system (CNS) Brain Spinal cord Peripheral nervous system (PNS) Cranial nerves Spinal nerves Brain and spinal cord.
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Copyright © 2015. F.A. Davis Company Brain and spinal cord. 11 11 NERVOUS SYSTEM Structure and Function Structure and Function CNS Brain Highly complex in structure and function. Trillions of synapses work together to control every physical and mental activity of the body. Center for memory, emotion, thought, judgment, reasoning, and consciousness.
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Copyright © 2015. F.A. Davis Company 11 11 NERVOUS SYSTEM Structure and Function Structure and Function CNS (continued) Spinal cord Column of nervous tissue within the spinal cavity of the vertebral column. Extends from brainstem to second lumbar vertebra in the spinal column. Carries all the nerves to and from the limbs and lower part of the body. Pathway for impulses going to and from the brain. Protected by bony structures of the vertebral column.
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Copyright © 2015. F.A. Davis Company 11 11 NERVOUS SYSTEM Structure and Function Structure and Function CNS (continued) Meninges Three connective tissue membranes that cover the spinal cord and brain. Protect and nourish the spinal cord.
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Copyright © 2015. F.A. Davis Company 11 11 NERVOUS SYSTEM Structure and Function Structure and Function PNS Cranial nerves 12 pairs that emerge from the brainstem. Carry impulses between the brain and the head and neck. Named for each pair that reflects its location or function. Spinal nerves 31 pairs that emerge from the spinal cord. Carry messages between the spinal cord and the chest, abdomen, and extremities Named for each pair according to the vertebra next to it.
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Copyright © 2015. F.A. Davis Company 11 11 NERVOUS SYSTEM Define Combining Forms Exercise Define Combining Forms Exercise 1. cerebr/o: 2. encephal/o: 3. gli/o:
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Copyright © 2015. F.A. Davis Company 11 11 NERVOUS SYSTEM Define Combining Forms Exercise Define Combining Forms Exercise 4. mening/o, meningi/o: 5. myel/o: 6. neur/o:
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Copyright © 2015. F.A. Davis Company 11 11 NERVOUS SYSTEM Define Combining Suffixes Exercise Define Combining Suffixes Exercise 7. -paresis: 8. -phasia: 9. -plegia: 10. -lepsy:
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Copyright © 2015. F.A. Davis Company 11 11 NERVOUS SYSTEM Spinal Cord Injuries Spinal Cord Injuries Signs and Symptoms Spinal cord injury resulting in paralysis . Usually consequence of fracture or dislocation, or both, of the vertebral column.
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Copyright © 2015. F.A. Davis Company 11 11 NERVOUS SYSTEM Spinal Cord Injuries Spinal Cord Injuries Signs and Symptoms (continued) Location of spinal cord injury and severity of trauma determine whether paraplegia or quadriplegia results.
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