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Hieder A’ala

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
            Click to edit Master text styles
                Second level
                Third level
                     Fourth level
                           Fifth level
   Click to edit Master text styles
       Second level
       Third level
            Fourth level
                  Fifth level
Course of the artery
           Click to edit Master text styles
               Second level
               Third level
                    Fourth level
                          Fifth level
Course of the artery
               Click to edit Master text styles
                   Second level
                   Third level
                        Fourth level
                              Fifth level
Segments



              Click to edit Master text styles
                  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

          Click to edit Master text styles
              Second level
              Third level
                   Fourth level
                         Fifth level
C= perforating branches


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

              Click to edit Master text styles
                  Second level
                  Third level
                       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.
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 cortex—Voluntary movement
   Impulse control
   Perseverance
Frontal Lobe Deficit—Problems
   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 Lobe—Problems 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 Deficits—Problems
   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.
Thank you

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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
  • 6.
  • 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.
  • 17.
  • 18.
  • 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 cortex—Voluntary movement  Impulse control  Perseverance
  • 21. Frontal Lobe Deficit—Problems  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 Lobe—Problems 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 Deficits—Problems  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.