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NERVOUS SYSTEM (CRANIAL NERVES (VII-Facial-motor to muscles of facial…

- - - - Astrocytes
        -star shaped cells w/ many processes
        -hold nuerons close to blood vessels
        -help form the blood-brain barrier
        Olidendrocyte
        -most common
        -form the myelin sheath for neurons of CNS
        Microglia
        -small, have fewer processes and are phagocytes
        -protect the CNS by phagocytizing microbes & clearing away debris from inflammation & tissue damage
        Ependymal Cells
        -form the cerebrospinal fluid (CSF) & also assist in its circulation
    - - Schwann Cells
        -supply myelin sheaths to axons in the PNS
        -also aids in the regrowth of damaged peripheral axons
        Satellite Cells
        -flattened cells found around cell bodies of neurons in ganglia
- - - - Sympathetic Nervous System
        Fight or Flight
        -emergency or non-normal situations (angry, nervous, upset, scared)
      - Parasympathetic Nervous System
        Feed & Breed
        -normal everyday situations (digestive, reproductive, relaxed, happy)