Term
| Middle cerebral artery runs where? |
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Definition
| Within lateral (Sylvian) fissure |
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Term
| What structure enables the brain stem to pass from posterior fossa to middle fossa? |
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Definition
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Term
| Relation of posterior cerebral and superior cerebellar arteries to tentorium? |
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Definition
Post. cerebral runs superior
Superior cerebellar runs inferior |
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Term
| Which tract originates on the precentral gyrus? |
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Definition
|
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Term
| Which tracts terminate on the postcentral gyrus? |
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Definition
| Dorsal column and spinothalamic |
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Term
| Which is deeper, a sulcus or a fissure? |
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Definition
| Fissure- formed by infolding of brain matter during development |
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Term
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Definition
| a bony part of the cranium at the skull base, a shallow depression behind the dorsum sellæ that slopes obliquely backward. It forms a gradual sloping process at the anterior most portion of the basilar occipital bone at its junction with the sphenoid bone. |
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Term
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Definition
| Thin membrane inferior to corpus callosum separating R and L lateral ventricles |
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Term
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Definition
| Connect lateral ventricles to 3rd ventricle |
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Term
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Definition
| Connects 3rd ventricle to 4th ventricle |
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Term
| Location of massa intermedia? |
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Definition
| 3rd ventricle connecting thalami |
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Term
| Drainage of 4th ventricle? |
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Definition
Median aperture (foramen of Magendie)
Lateral aperture (foramen of Luschka) |
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Term
| Relation of internal carotid to optic nerve? |
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Definition
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Term
| Structures bordering sella turcica? |
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Definition
Anteriorly- sphenoid sinus
Posteriorly- basilar artery |
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Term
| Procedure to treat hydrocephalus? |
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Definition
| Instrument pierces floor of 3rd ventricle anterior to mamillary body/posterior to infundibulum. Allows CSF to drain into basilar cistern & bypass cerebral aqueduct. Risk of piercing basilar artery |
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Term
| Drainage of sphenoid sinus? |
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Definition
|
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Term
| Drainage of posterior ethmoid air cells? |
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Definition
| Lateral to superior conchus |
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Term
| Drainage of middle ethmoid air cells? |
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Definition
|
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Term
| Function of hiatus semilunaris? |
|
Definition
| Drainage of frontal sinus, anterior ethmoid air cells, and maxillary sinus |
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Term
| Nasolacrimal duct drainage? |
|
Definition
| Inferior to inferior conchus |
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Term
| Structure surrounding opening of Eustachian tube into nasopharynx? |
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Definition
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Term
| Calcarine fissure- location & function? |
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Definition
| Occipital lobe- visual cortex |
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Term
| Brainstem structures from superior to inferior? |
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Definition
| Thalamus-midbrain-pons-medulla |
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Term
| Where does the oculomotor nerve exit the brainstem? |
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Definition
| Medial to the cerebral peduncles |
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Term
| Which CN exits on the posterior surface of the brainstem and proceeds anteriorly? |
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Definition
|
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Term
| Relation of internal carotids to optic chiasm? |
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Definition
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Term
| Anterior communicating artery connects what two vessels? |
|
Definition
| Internal carotid and anterior cerebral |
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Term
| Superior cerebellar artery branches off what major vessel? |
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Definition
|
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Term
| Site of CNV exit from brainstem? |
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Definition
|
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Term
| Site of CNVI exit from brainstem? |
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Definition
| Medial pontomedullary junction |
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Term
| Site of CN VII and VIII exit from brainstem? |
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Definition
| Lateral pontomedullary junction |
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Term
| Site of CN IX, X, XI exit from brainstem? |
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Definition
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Term
| Site of CN XII exit from brainstem? |
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Definition
| Junction of olive and pyramids (medial medulla) |
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Term
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Definition
Caudate- lateral border of lateral ventricles
Putamen- lateral & inferior to caudate
Connected via internal capsule |
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Term
| What structure laterally borders the 3rd ventricle? |
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Definition
|
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Term
| Globus pallidus- location & function? |
|
Definition
Just medial to putamen
Modulating movement (important in Parkinson's) |
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Term
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Definition
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Term
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Definition
|
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Term
| Location of 4th ventricle? |
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Definition
| Between pons & cerebellum |
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|
Term
| Internal capsule- structures bordering it? |
|
Definition
Thalamus- posterior & medial
Caudate- anterior & medial
Putamen- lateral |
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Term
| How many layers of the cortex? |
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Definition
|
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Term
| Basal ganglia comprised of what structures? |
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Definition
| Caudate, putamen, globus pallidus |
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Term
| Midbrain houses nuclei of which two CNs? |
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Definition
|
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Term
| Structural features of midbrain in cross-section? |
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Definition
Cerebral peduncles
V-shaped ventral notch
Cerebral aqueduct
Red nucleus just posterior to v-shaped notch |
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Term
| Pons houses nuclei of which three CNs? |
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Definition
|
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Term
| Structural features of pons in cross-section? |
|
Definition
Ventral bulge
Dorsally bordered by 4th ventricle |
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Term
| Nuclei of which CNs housed in medulla? |
|
Definition
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