際際滷

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Hieder Aala

MCA anatomy
When discussing anatomy of an
artery you have to describe:

1.   Origin
2.   Course of the artery
3.   Segments
4.   Branches
5.   Variation
6.   Functional anatomy of the area supplied with
Origin
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                Second level
                Third level
                     Fourth level
                           Fifth level
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       Second level
       Third level
            Fourth level
                  Fifth level
Course of the artery
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               Second level
               Third level
                    Fourth level
                          Fifth level
Mca anatomy
Course of the artery
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                   Second level
                   Third level
                        Fourth level
                              Fifth level
Segments



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                  Second level
                  Third level
                       Fourth level
                             Fifth level
Segments
M3

M4
          M2



           M1
Segments
   M1= sphenoidale
   M2 = insular
   M3 = opercular
   M4 = cortical
Types of MCA bracnhes
   A= stem arteries
   B= early branches
   C= perforating branches
   D= cortical branches
B= Early Branches

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C= perforating branches


   Lenticulostriate art.
   medial ,intermediate and lateral group
D= cortical branches

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                       Fourth level
                             Fifth level
D= cortical branches
   1.Frontal branches :orbitofrontal, prefrontal,
    pre-central and central.
   2.Parietal br. : anterior and posterior parietal
    and angular
   3. Temporal br. : ant., mid and post. Temporal
    ,temporal pole and temporooccipital br.
Mca anatomy
Mca anatomy
Functional anatomy of the area supplied with
Frontal Lobe
   Conscientiousness
   Judgments
   How we initiate activity in response to our environment.
   Controls our emotional response.
   Controls our expressive language.
   Assigns meaning to the words we choose (abstract thought)
   Attention span
   Involves word associations (language planning)
   Memory for habits and motor activities (short term memory)
   Motor cortexVoluntary movement
   Impulse control
   Perseverance
Frontal Lobe DeficitProblems
   Loss of simple movement of various body parts (Paralysis).
   Inability to plan a sequence of complex movements needed to
    complete multi-stepped tasks, such as making coffee (Sequencing).
   Loss of spontaneity in interacting with others.
   Loss of flexibility in thinking.
   Persistence of a single thought (Perseveration).
   Inability to focus on task (Attending).
   Mood changes (Emotionally Labile ).
   Changes in social behavior.
   Changes in personality.
   Difficulty with problem solving.
   Inablility to express language (Broca's Aphasia).
Parietal Lobe Function
   Location for visual attention.
   Location for touch perception.
   Goal directed voluntary movements.
   Manipulation of objects.
   Integration of different senses that allows for
    understanding a single concept.
Parietal LobeProblems resulting from
deficit
   Inability to attend to more than one object at a time.
   Inability to name an object (Anomia).
   Inability to locate the words for writing (Agraphia).
   Problems with reading (Alexia).
   Difficulty with drawing objects.
   Difficulty in distinguishing left from right.
   Difficulty with doing mathematics (Dyscalculia).
   Lack of awareness of certain body parts and/or surrounding space
    (Apraxia) that leads to difficulties in self-care.
   Inability to focus visual attention.
   Difficulties with eye and hand coordination.
Temporal Lobe Function
   Hearing ability
   Memory acquisition
   Some visual perceptions
   Categorization of objects.
Temporal Lobe DeficitsProblems
   Difficulty in recognizing faces (Prosopagnosia).
   Difficulty in understanding spoken words (Wernicke's Aphasia).
   Disturbance with selective attention to what we see and hear.
   Difficulty with identification of, and verbalization about objects.
   Short-term memory loss.
   Interference with long-term memory
   Increased or decreased interest in sexual behavior.
   Inability to catagorize objects (Catagorization).
   Right lobe damage can cause persistant talking.
   Increased aggressive behavior.
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Mca anatomy

  • 2. When discussing anatomy of an artery you have to describe: 1. Origin 2. Course of the artery 3. Segments 4. Branches 5. Variation 6. Functional anatomy of the area supplied with
  • 3. Origin Click to edit Master text styles Second level Third level Fourth level Fifth level
  • 4. Click to edit Master text styles Second level Third level Fourth level Fifth level
  • 5. Course of the artery Click to edit Master text styles Second level Third level Fourth level Fifth level
  • 7. Course of the artery Click to edit Master text styles Second level Third level Fourth level Fifth level
  • 8. Segments Click to edit Master text styles Second level Third level Fourth level Fifth level
  • 10. M3 M4 M2 M1
  • 11. Segments M1= sphenoidale M2 = insular M3 = opercular M4 = cortical
  • 12. Types of MCA bracnhes A= stem arteries B= early branches C= perforating branches D= cortical branches
  • 13. B= Early Branches Click to edit Master text styles Second level Third level Fourth level Fifth level
  • 14. C= perforating branches Lenticulostriate art. medial ,intermediate and lateral group
  • 15. D= cortical branches Click to edit Master text styles Second level Third level Fourth level Fifth level
  • 16. D= cortical branches 1.Frontal branches :orbitofrontal, prefrontal, pre-central and central. 2.Parietal br. : anterior and posterior parietal and angular 3. Temporal br. : ant., mid and post. Temporal ,temporal pole and temporooccipital br.
  • 19. Functional anatomy of the area supplied with
  • 20. Frontal Lobe Conscientiousness Judgments How we initiate activity in response to our environment. Controls our emotional response. Controls our expressive language. Assigns meaning to the words we choose (abstract thought) Attention span Involves word associations (language planning) Memory for habits and motor activities (short term memory) Motor cortexVoluntary movement Impulse control Perseverance
  • 21. Frontal Lobe DeficitProblems Loss of simple movement of various body parts (Paralysis). Inability to plan a sequence of complex movements needed to complete multi-stepped tasks, such as making coffee (Sequencing). Loss of spontaneity in interacting with others. Loss of flexibility in thinking. Persistence of a single thought (Perseveration). Inability to focus on task (Attending). Mood changes (Emotionally Labile ). Changes in social behavior. Changes in personality. Difficulty with problem solving. Inablility to express language (Broca's Aphasia).
  • 22. Parietal Lobe Function Location for visual attention. Location for touch perception. Goal directed voluntary movements. Manipulation of objects. Integration of different senses that allows for understanding a single concept.
  • 23. Parietal LobeProblems resulting from deficit Inability to attend to more than one object at a time. Inability to name an object (Anomia). Inability to locate the words for writing (Agraphia). Problems with reading (Alexia). Difficulty with drawing objects. Difficulty in distinguishing left from right. Difficulty with doing mathematics (Dyscalculia). Lack of awareness of certain body parts and/or surrounding space (Apraxia) that leads to difficulties in self-care. Inability to focus visual attention. Difficulties with eye and hand coordination.
  • 24. Temporal Lobe Function Hearing ability Memory acquisition Some visual perceptions Categorization of objects.
  • 25. Temporal Lobe DeficitsProblems Difficulty in recognizing faces (Prosopagnosia). Difficulty in understanding spoken words (Wernicke's Aphasia). Disturbance with selective attention to what we see and hear. Difficulty with identification of, and verbalization about objects. Short-term memory loss. Interference with long-term memory Increased or decreased interest in sexual behavior. Inability to catagorize objects (Catagorization). Right lobe damage can cause persistant talking. Increased aggressive behavior.