1018 nervous system.ppt

8/18/2019 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

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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

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Cerebrum

CerebellumBrain Stem (Medulla)

Spinal cord


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CENTRAL NERVOUS SYSTEM

IS PROTECTED Y

+ 0@:66

+ 06p (0@)*,


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S"ULL CAVITY & SUCAVITIES

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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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RAIN STEM

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

I+0 =:*+)/*0 ->

/*0)/:0*00

B@06p 560

B+- ;6*

4+;/6)04

-+-+

;6// p-00:-

;/5 +4p-+:-

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

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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

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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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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

UNCLASSIFIED


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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 ?

1018 nervous system.ppt

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