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GROSS ANATOMY OF THE BRAIN

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THIS IS A STUDY GUIDE, NOT AN ALL INCLUSIVE REVIEW. ... F- TO PROCESS AUDITORY SENSATION FOR AUDITORY. REFLEX. TO CONTROL REFLEX MOV OF HEAD, NECK, ... – PowerPoint PPT presentation

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Title: GROSS ANATOMY OF THE BRAIN


1
GROSS ANATOMY OF THE BRAIN CRANIAL NERVES
IIMARTINI. ANATOMY PHYSIOLOGY7TH
EDITION. CHAPTER 14
2
PRESENTATION CREATED BYDR. ALFONSO A.
PINO.COLLABORATORPROFESSOR NIDIA ROMER.
3
NOTE
  • THIS IS A STUDY GUIDE, NOT AN ALL INCLUSIVE
    REVIEW.
  • THERE MIGHT BE THINGS NOT COVERED BY THIS STUDY
    GUIDE THAT MIGHT BE ASKED IN YOUR PRACTICUMS /
  • QUIZZES.
  • STUDENTS ARE RESPONSIBLE FOR READING THEIR
    TEXBOOK (S) AND FOR ALL THE MATERIAL COVERED
    DURING THE LABORATORY PERIOD, AS PER THE COURSE
    SYLLABUS

4
  • CORPORA CUADRIGEMINA- (TB 445, LB 230)
  • 2 SUPERIOR COLLICULIES-
  • F- TO PROCESS VISUAL SENSATION FOR VISUAL

  • REFLEX
  • TO CONTROL REFLEX MOV OF EYES, HEAD
    NECK
  • 2 INFERIOR COLLICULIES-
  • F- TO PROCESS AUDITORY SENSATION FOR
    AUDITORY

  • REFLEX
  • TO CONTROL REFLEX MOV OF HEAD, NECK,
  • TRUNK (LOUD VOICE)
  • CORPUS CALLOSUM-
  • F-TO CARRY INFO BETWEEN CEREBRAL
    HEMISPHERES
  • FORNIX- TRACTS OF WHITE MATTER THAT CONNECTS

  • LIMBIC SYSTEM

5
  • SEPTUM PELLUCIDUM- IT SEPARATES THE LATERAL

  • VENTRICLES (I II)
  • THALAMUS- FROM ANTERIOR COMMISURE TO PINEAL

  • GLAND
  • F- RELAYS PROCESSING CENTERS FOR SENSORY

  • INFORMATION
  • INTERMEDIATE MASS-(BROWN MODEL) TB 453, FG11-A
  • F- TO CONNECT BOTH SIDES OF THE THALAMUS
  • HYPOTHALAMUS- FROM SUPERIOR TO THE OPTIC
  • CHIASM TO POSTERIOR MARGIN OF MAMMILLARY

  • BODIES
  • F- TO CONTROL EMOTIONS- FEEDING, HUNGER

  • THIRST CENTERS
  • AUTONOMIC F-HEART RATE, BLOOD PRESSURE,
  • RESPIRATION DIGESTIVE FUNCT
  • TO SECRETE HORMONES (ADH, OXYTOCINE)
  • TO CONTROL CIRCADIAN RHYTHMS

6
  • EPITHALAMUS (PINEAL BODY- OR GLAND)-
  • F- TO PRODUCE MELATONIN H
  • SETTING CIRCADIAN RHYTHM
  • TIMMING HUMAN SEXUAL
    MATURATION
  • PROTECTS BRAIN AGAINST FREE
    RADICALS
  • LOC- LIES POST PORTION OF ROOF OF 3RD
    VENTRICLE
  • CEREBELLUM-
  • VERMIS- (NARROW BAND OF CORTEX ALONG THE
    MIDDLINE)
  • F- TO SEPARATE RIGHT
    LEFT CERREBELLAR

    HEMISPHERES
  • ARBOR VITAE- WHITE MATER OF CEREBELLUM
  • F OF CEREBELLUN- ADJUST POSTURAL MOV-
    BALANCE


  • EQUILLIBRIUM
  • PROGRAMMING FINE TUNING MOV TO MAKE
    MOVEMENTS


  • SMOOTH

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11
THE CEREBELLUM
12
THE CEREBELLUM (ARBOR VITAE)
13
MENINGES
  • MENINX MEMBRANE FOR PROTECTION
  • CRANIAL MENINGES (TB 441, LB 218)
  • (FROM EXRTERNAL TO INTERNAL)
  • DURA MATER- ENDOSTEAL
    LAYER
  • DURAL SINUS
  • DURA MATER- MENINGEAL
    LAYER
  • SUBDURAL SPACE
  • ARACHNOID MATER
  • SUBARCNOID SPACE CONTAINS
    CSF
  • PIA MATER- FOR NOURISHMENT
    CEREBRAL


  • CORTEX

14
CRANIAL MENINGES (CONTINUATION)
  • DURA MATER
  • FALX CEREBRI- FORMED BY DURA MATER ALONG

  • LONGITUDINAL FISSURE
  • F- TO SEPARATE THE CEREBRAL
    HEMISPHERES
  • SUPERIOR SAGITAL SINUS- VENOUS SINUS WITHIN

  • THE FALX CEREBRI
  • TENTORIUM CEREBELLI- ON TOP OF THE

  • CEREBELLUM
  • F- TO SEPSRATE THE CEREBRAL
    HEMISPHERES
  • FROM THOSE OF THE CEREBEBELLUM

15
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16
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17
VENTRICLES
  • FUNCTION OF THE VENTICLES- TO CONTEIN CSF
  • LATERAL VENTRICLES (I II)
  • 3RD VENTRICLE
  • INTERVENTRICULAR FORAMEN- TO CONNECT LATERAL

  • VENTRICLE WITH 3RD VENTRICLE
  • CEREBRAL AQUEDUCT- TO CONNECT 3RD VENTRICLE
  • WITH
    FOURTH VENTRICLE
  • FOURTH VENTRICLE
  • COROID PLEXUS- (TB 442)F- IT CONTEINS THE
    EPENDIMAL

  • CELLS FOR PRODUCTION OF CSF

18
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20
CRANIAL NERVES
  • I- OLFACTORY N- (NOT SEEN IN CHARTS, JUST IN
    MODEL)
  • F- SPECIAL SENSORY, TO CARRY SMELL
    IMPULSE
  • II- OPTIC N- SPECIAL SENSORY, TO CARRY VISUAL
    INFO
  • III- OCULOMOTOR-MOTOR-TO CONTROL MOV OF OF THE

  • MUSCLES OF THE EYES
  • IV-TROCLEAR-MOTOR, EYE MOV (SUPERIOR OBLIQUE

  • MUSCLE OF EYES)
  • V-TRIGEMINAL- (SENSORY MOTOR)- TO FACE

  • CHEWING MUSCLES
  • VI-ABDUCENS-MOTOR- EYE MOV. LOC PONS MEDULLA
  • F- LATERAL RECTUS MUSCLE OF THE EYES
  • VII- FACIAL-(SENSORY MOTOR)-
  • F- MUSCLES OF FACIAL EXPRESSION
  • CARRYES MOTOR INFO FOR FACE

21
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22
  • VIII- VESTIBULOCOCLEAR N- SPECIAL SENSORY
  • VESTIBULAR BRANCH- BALANCE
    EQUILIBRIUM
  • COCLEAR BRANCH- HEARING
  • IX- GLOSOPHARINGEAL N- SENSORY MOTOR-
  • HEAD NECK
  • X- VAGUS N- SENSORY MOTOR-
  • ORGANS IN THORAX ABDOMEN
  • XI-ACCESSORY N- MOTOR-
  • NECK, UPPER BACK, TRAPEZIUS

  • STERNOCLEIDOMASTOID M
  • XII- HYPOGLOSAL N- MOTOR- TONGE MOV

23
OLFACTORY EPITHELIUM OLFACTORY
FIBERS OLFACTORY BULB OLFACTORY TRACT (chapter
17)
24
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25
AUTONOMIC NERVOUS SYSTEM
  • PARASYMPATHETIC OR CRANEOSACRAL DIVISION-
  • TO MANTEIN
    BODY UNDER RESTING CONDITIONS
  • PREGANGLIONIC NEURON LOCATED IN CNS, FOUND IN
    BRAIN AND

  • SACRAL PART OF SPINAL CORD (S2-S4)
  • PREGAGLIONIC FIBERS FROM CNS TO GANGLIA
  • INTRAMURAL OR TERMIANAL GANGLION- CONTAIN
    GANGLIONIC


  • NEURON
  • POSTGANGLIONIC FIBERS FROM GANGLIA TO
    ORGAN
  • SYMPATHETIC OR THORACO LUMBAR DIVISION-

  • TO PUT THE BODY IN ALERT STATE
  • PREGANGLIONIC NEURON IN CNS (SPINAL CORD
    T1-L2)
  • WHITE RAMUS COMMUNICANS CONTAIN PREGANGLIONIC


  • UNMYLINATESFIBERS
  • SPLANCHNIC NERVES PREGANGLIONIC FIBERS
  • SYMPATHETIC CHAIN GANGLIA CONTAIN GANGLIONIC
    NEURONS
  • COLLATERAL GANGLION CONTAIN GANGLIONIC NEURONS
  • GRAY RAMUS COMMUNICANS CONTAIN POSTGANGLIONIC


  • UNMYLINATED FIBERS

26
REMEMBER!GO TO THE TUTORING ROOMAND PRACTICE
WITH MODELS.ROOM 3326.
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