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Practical Neuroanatomy CEREBRUM. External features of the cerebrum Surfaces: - Superolateral - Medial - Inferior ( orbital & tentorial ) Borders: -

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Presentation on theme: "Practical Neuroanatomy CEREBRUM. External features of the cerebrum Surfaces: - Superolateral - Medial - Inferior ( orbital & tentorial ) Borders: -"— Presentation transcript:

1 Practical Neuroanatomy CEREBRUM

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3 External features of the cerebrum Surfaces: - Superolateral - Medial - Inferior ( orbital & tentorial ) Borders: - Superomedial - Inferolateral - Superciliary - Inferomedial ( med. Orbital & med. Occipital)

4 External features of the cerebrum

5 Poles: - Frontal - Occipital - Temporal Lobes:- Frontal - Parietal - Temporal - Occipital

6 External features of the cerebrum

7 Sulci & Gyri Of the superolat. surface

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9 Sulci & Gyri Of the medial surface

10 Sulci & Gyri Of the inferior surface

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13 Functional areas of the frontal lobe *Primary motor area (4). *Premotor area (6). *Broca’s area (44,45). - Motor speech area ( expressive aphasia) *Frontal eye field area(6,8,9). - Horizontal conjugate eye movements *Prefrontal area (9,10,11,12). - Area of intellectual functions

14 Functional areas of the frontal lobe

15 Functional areas of the parietal lobe *Primary sensory area (3,1,2). *Sensory association area (5,7). *Supramarginal gyrus. - Area of motor skills (Lt. side). *Angular gyrus. - Rt: Prietal eye field area - Lt: Psycho-visual area ( written & printed words).

16 Functional areas of the parietal lobe

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19 Functional areas of the tempral lobe *Primary auditory area (41,42). - Reception of sound (Partial deafness) *Auditory association area (22). - Interpretation of sound (Auditory agnosia) *Sensory speech area of Wernicke. - Interpretation of written & spoken language. - Lesion: Recptive aphasia.

20 Functional areas of the tempral lobe

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22 Functional areas of the occipital lobe *Primary visual area (17). *Visual association area (18,19). *Occipital eye field area. - Reflex conjugate eye movement.

23 Functional areas of the occipital lobe

24 The White Matter of the Cerebrum Association fibers

25 The White Matter of the Cerebrum Projection fibers

26 The White Matter of the Cerebrum

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28 Blood Supply Of The Brain

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