1018 nervous system.ppt

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    UNCLASSIFIED

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    THE NERVOUS SYSTEM

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    REFERENCES

    ESSENTIALS OF HUMAN ANATOMY & PHYSIOLOGY CHAPTER 7, pp. 193 – 238

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    LEARNING O!ECTIVES

    THE OVERALL "NO#LEDGEOF THE NERVOUS SYSTEM

    STRUCTURES & FUNCTIONS

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    PERMANENT DAMAGE TO THE

    NERVOUS SYSTEM AFFECTS THE$UALITY, MEANING & DIGNITY OF LIFE

    THE NERVOUS SYSTEM IS AL#AYS

    AFFECTED Y TRAUMA IN!URIES

    NERVOUS SIGNS AND SYMPTOMS HAVE

    THE UTMOST RELEVANCE TO ASSESSAND MONITOR THE CASUALTY%S

    CONDITIONS

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    NEURONS ANATOMY

    HIGHLY SPECIALIED CELLS

    CHARACTERIED Y

     E'TENDED FIERS

     DENDRITES

     A'ON

     SUPPORTIVE CELLS

     GLIA ()*+-/**+)/*0

     SCH#ANN (/* 456)*

    0+ p-/)0 )*0:6+)/*

    5

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    NEURONS FUNCTIONS

    M+;/6)04 + + )

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    CONDUCTIVITY

    7

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    NERVOUS SYSTEM

    ANATOMICALLY, THE SYSTEM CAN E DIVIDED IN> CENTRAL NERVOUS SYSTEM (CNS

     RAIN

     SPINAL CORD

     PERIPHERAL NERVOUS SYSTEM (PNS ? NERVES

    8

    Cerebrum

    CerebellumBrain Stem (Medulla)

    Spinal cord

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    CENTRAL NERVOUS SYSTEM

    IS PROTECTED Y

    + [email protected]:66

    + 06p ([email protected])*,

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    S"ULL CAVITY & SUCAVITIES

    10

    ANTERIOR

    CRANIAL

    FOSSA

    MIDDLE

    CRANIAL

    FOSSA

    POSTERIOR

    CRANIAL

    FOSSA

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    CRANIAL AND FACIAL ONES

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    MENINGES

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    CEREROSPINAL FLUID (CSF

    C-+-)0+)0

    ;-)

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    THE RAIN

    A 6656)@ /-

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    CERERUM – CORTE'

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    CERERUM

    I+ /*0)0+0 /=

    2 4)0p-0 /4p/0 ;5 6/;0 -/00 p+B50

    I+0 =:*+)/*0 ->

    E4/+)/*0 (

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    CEREELLUM

    T B/- 4*0 6)++6 ;-)*

    p/0+-)/- * )*=-)/- +/ -;-:4

    /*0)0+0 /= 2 4)0p-0

    I+0 =:*+)/*0 ->

    =)* +:*)*< /= 4/+/- =:*+)/*0

    p-)0 +)4)*<

    //-)*+)/* /= 4/4*+

    ;6* (:)6);-):4

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    UNCLASSIFIED

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    RAIN STEM

    I+ /**+0 + ;-)* +/ + 0p)*6 /-

    I+0 =:*+)/*0 ->

    /*0)/:0*00

    [email protected] 560

    B+- ;6*

    4+;/6)04

    -+-+

    ;6// p-00:-

    ;/5 +4p-+:-

    ;-+)*< /*+-/6

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    UNCLASSIFIED

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    .

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    SPINAL CORD

    I*0) + -+;-6 *6,

    0:--/:* ;5 4*)*

    /44:*)+)/* ;+B* ;-)* &

    p-)p-6 *-/:0 050+4

    -=60 22

    UNCLASSIFIED

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    REFLE'ES

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    PERIPHERAL NERVOUS SYSTEM (PNS

    IT IS THE PART OF THE NERVOUS SYSTEM OUTSIDE THES"ELETAL PROTECTION THAT CONNECTS THE CNS TOTHE REST OF THE ODY (SYSTEMS, ORGANS, TISSUES, +.

    ITS FUNCTIONS ARE>

    SENSORY & MOTOR, CARRIED OUT Y 12 PAIRS OF CRANIAL NERVES

     31 PAIRS OF SPINAL NERVES

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    SOMATIC DIVISION OF THE PNS

    SENSORY NERVES> TRANSMISSION OF

    STIMULI FROM THE ENVIRONMENTTO THE CNS

    SOMATIC SENSORY FROM S"IN, S"ELETAL

    MUSCLES AND !OINTS

    VISCERAL SENSORY FROM VISCERAL ORGANS

      MOTOR NERVES>

    TRANSMISSION OF ORDERS FROM THECNS TO THE S"ELETALMUSCLES AND THE VARIOUS ORGANS

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    UNCLASSIFIED

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    U C SS

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    SOMATIC DIVISION OF THE PNS

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    AUTONOMIC DIVISION OF THE PNS

    THE PARASYMPATHETIC FIERS ARE MOSTLY

    CONNECTED DIRECTLY #ITH THE RAIN STEM

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    THE SYMPATHETIC FIERS

    PASS FROM THE SPINAL CORD

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    SUMMARY

    THE NERVOUS SYSTEM IS THE MASTER CONTROLLINGAND COMMUNICATING SYSTEM OF THE ODY REGULATORY SYSTEM

    COORDINATING SYSTEM

    MENTAL ACTIVITIES

    EVERY THOUGHT, ACTION AND EMOTION REFLECTS

    ITS ACTIVITY

    SENSORY INPUT  INTEGRATION MOTOR OUTPUT

    ELECTRICAL IMPULSES

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    Homeostasis

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    HOMEOSTASIS

    THE ALANCE OF THE ODY SYSTEMS

    THE HUMAN ODY REACTS TO CHANGES

    DETECTS (SENSORY ORGANS

    INTERPRETS (NERVOUS SYSTEM

    RESPONDS (VARIOUS ORGANS

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    ANY QUESTIONS ?ANY QUESTIONS ?