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layers of scalp skin
connective tissue
(epicranial) aponeurosis (galea aponeurotica)
loose connective tissue
periosteum
neurosurgery Dec 22, 2019, 2:07 AM   HirotoShishido

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Picture CN Ⅴ
nurology neurosurgery Dec 23, 2019, 11:39 PM   HirotoShishido

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main cerebellar fissures primary fissure
horizontal fissure
secondary fissure
posterolateral fissure
neurosurgery Dec 22, 2019, 9:57 AM   HirotoShishido

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blood flow from superior saggital sinus to internal carotid vein superior saggital sinus→ superior anastomotic vein(Trolard vein)→ Sylvian vein→ cavernous sinus→ inferior petrosal sinus→ internal carotid vein
neurology neurosurgery Jul 23, 2019, 7:24 AM   HirotoShishido

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When facial nucleus is affected at the level of lower-pons, what nucleus is likely to be affected too? abducens nucleus(CN Ⅵ)
neurology neurosurgery Jul 24, 2019, 12:28 AM   HirotoShishido

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trigeminal nucleus
homunculus onion-skin pattern

upper portion of nucleus→ innervate A region
lower portion of nucleus→ C region

lateral→ V1 (ophthalmic) region
medial→ V3 (mandibular) region
neurology neurosurgery Jul 23, 2019, 2:14 AM   HirotoShishido

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trigeminal nuclei mesencephalic nucleus→ reflex proprioception of the periodontium and of the muscles of mastication in the jaw

chief sensory nucleus(mid pons)→ sensation and light touch of the face as well as conscious proprioception of the jaw

spinal trigeminal nucleus(mid pons-C2)→ information about deep/crude touch, pain, and temperature from the ipsilateral face
neurology neurosurgery Jul 23, 2019, 2:10 AM   HirotoShishido

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damage to the brainstem→What does pyramidial tract sign suggest? the damage is located on the ventral side
neurology neurosurgery Jul 12, 2019, 3:53 AM   HirotoShishido

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where dorsal colum cross over to the other side at mid medulla
neurology neurosurgery Jul 12, 2019, 3:49 AM   HirotoShishido

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