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24 Cards in this Set
- Front
- Back
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Duramater and Arachnoidmater of spinal cord extend UpTo |
Ended on filum terminale at level of lower border of S2 vertebrae |
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Spinal cord enlargements |
1. Cervical (C4-T1) max:C6 2. Lumbosacral (L2-S3) max:S1 |
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How many nerve roots are there in Cauda equina |
40 |
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Vulnerable areas of ischaemic necrosis |
T1-T4 & L1 Segments Reason: these zones of the cord are the meeting places of different major arteries. |
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Arterial Vasacorona? |
It is there arterial plexus present in pia mater covering the spinal cord. |
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Lateral horns are present in which segments of spinal cord |
1. Thoracic (T1-T12) & Lumbar (L1-L2) Give rise to preganglionic sympathetic fibres 2. Sacral (S2-S4) Give rise to parasympathetic outflow |
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Most common artery to be damaged during head injuries or Artery of epidural hemorrhage is |
Middle meningeal artery branch of maxillary artery. Lens shaped hematoma is formed. |
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Which is the largest cistern? |
Cisterna cerebellopeduncularis (cisterna magna) |
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Which is involved or damaged most commonly on subdural hematoma? |
Superior cerebral vein Crescent shaped hematoma is formed |
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Subarachnoid hemorrhage?? |
Results from rupture of berry aneurysm on the circle of Willis |
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Where are arachnoid granulations (aggregation of arachnoid villi) present |
Superior sagittal sinus |
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Blood supply of medulla oblongata |
1. Medullary branch of Vertebral artery 2. Branch of PICA 3. Branch of basilar artery |
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Blood supply of pons |
1. Pontine branch of basilar artery 2. Branch of anterior inferior cerebellar & superior cerebellar artery |
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Which is the most common tumor of brainstem? |
Astrocytoma of the pons (occurring in childhood) |
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Largest branch of Vertebral artery is |
Pastor inferior cerebellar artery |
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Which nucleus of cerebellum is called roof nuclei |
Fastigial nuclei |
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Broca's motor speech area is |
44,45 |
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Wernicke's sensory speech or auditopsychic area is |
22 |
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Contralateral hemiplegia due to vascular injury is caused by |
Vascular injury of striate branches of middle cerebral artery. (Charcot's artery of cerebral hemorrhage) |
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Major source of blood to lower 2/3 of the spinal cord is |
Arteria radicularis magna (artery of Adamkiewicz) is largest of great radicular arteries |
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Infection can travel from the facial skin (dangerous area of face) to the cavernous sinus through |
Superior opthalmic vein |
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Largest artery supplying the Duramater of brain |
Anterior meningeal artery |
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Shortest CN |
Olfactory nerve |
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Thickest CN |
Optic nerve |
