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Patho Chapter 14
Term | Definition |
---|---|
Central nervous system | Brain and spinal cord |
Peripheral nervous system | Cranial and spinal nerves Sensory neurons Neuromuscular junctions |
Brain | -Communication and control center of the body - Receives, processes, evaluates inputs -Decides which action to be taken - Initiates response |
Initiates response | -Involuntary actions • To maintain homeostasis • Regulated by the autonomic nervous system (ANS) -Voluntary actions -Reflex activities |
Protection of the Brain | -Dura mater • Outer layer (closest to the bone) -Subdural space - Arachnoid • Middle layer - Subarachnoid space • Contains cerebrospinal fluid (CSF) - Pia mater • Adheres to the surface of the brain |