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Mca anatomy

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Mca anatomy

  1. 1. Hieder A’alaMCA anatomy
  2. 2. When discussing anatomy of anartery you have to describe:1. Origin2. Course of the artery3. Segments4. Branches5. Variation6. Functional anatomy of the area supplied with
  3. 3. Origin  Click to edit Master text styles  Second level  Third level  Fourth level  Fifth level
  4. 4.  Click to edit Master text styles  Second level  Third level  Fourth level  Fifth level
  5. 5. Course of the artery  Click to edit Master text styles  Second level  Third level  Fourth level  Fifth level
  6. 6. Course of the artery  Click to edit Master text styles  Second level  Third level  Fourth level  Fifth level
  7. 7. Segments  Click to edit Master text styles  Second level  Third level  Fourth level  Fifth level
  8. 8. Segments
  9. 9. M3M4 M2 M1
  10. 10. Segments M1= sphenoidale M2 = insular M3 = opercular M4 = cortical
  11. 11. Types of MCA bracnhes A= stem arteries B= early branches C= perforating branches D= cortical branches
  12. 12. B= Early Branches  Click to edit Master text styles  Second level  Third level  Fourth level  Fifth level
  13. 13. C= perforating branches Lenticulostriate art. medial ,intermediate and lateral group
  14. 14. D= cortical branches  Click to edit Master text styles  Second level  Third level  Fourth level  Fifth level
  15. 15. 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.
  16. 16. Functional anatomy of the area supplied with
  17. 17. 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
  18. 18. 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 (Brocas Aphasia).
  19. 19. 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.
  20. 20. Parietal Lobe—Problems resulting fromdeficit 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.
  21. 21. Temporal Lobe Function Hearing ability Memory acquisition Some visual perceptions Categorization of objects.
  22. 22. Temporal Lobe Deficits—Problems Difficulty in recognizing faces (Prosopagnosia). Difficulty in understanding spoken words (Wernickes 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.
  23. 23. Thank you

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