Cranial Fossae and the Suboccipital Region Flashcards

1
Q

Anterior cranial fossa contains…

A

frontal lobes of cerebral hemispheres

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2
Q

Middle cranial fossa contains…

A

temporal lobes of cerebral hemispheres

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3
Q

Posterior cranial fossa contains…

A

occipital lobes of cerebral hemispheres

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4
Q

Leptomeninges is the combination of…

A

pia and arachnoid mater

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5
Q

Arteries of the dura…

A

meningeal arteries

middle meningeal artery off the maxillary artery

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6
Q

Where does the middle meningeal artery enter?

A

foramen spinosum

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7
Q

Pterion is a …

A

weak spot on the lateral skull where 4 bones meet

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8
Q

Nerves of meninges

A

CN V trigeminal

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9
Q

The arachnoid, pia and brain are … to pain.

A

insensitive

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10
Q

Venous sinuses of the Dura

A
superior sagittal sinus
inferior sagittal sinus
straight sinus
transverse sinuses
sigmoid sinuses
occipital sinus
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11
Q

Hypertrophy of the arachnoid villi results in … which may form pits on the inner table of cranial bones along superior sagittal sinus.

A

arachnoid granulations

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12
Q

Cavernous sinuses are connected by … and receive blood from …

A

intercavernous

superior and inferior ophthalmic veins, superficial middle cerebral and sphenoparietal sinus

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13
Q

The cavernous sinuses are drained by..

A

superior and inferior petrosal sinuses

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14
Q

Cavernous sinus surrounds ..

A

abducens CN VI

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15
Q

Within the lateral wall of the cavernous sinus runs CN …

A

III oculomotor
IV trochlear
V1 ophthalmic
V2 maxillary

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16
Q

CSF is produced in the … within the …

A

choroid plexuses

lateral, third and fourth ventricles

17
Q

Most of the CSF is produced in the … and passes through the …. into the …. down the … into the … and out the…

A
lateral ventricles
interventricular foramina
third ventricle
cerebral aqueduct
fourth ventricle 
median aperture
18
Q

CSF is mainly absorbed back into the venous blood through …

A

arachnoid villi

19
Q

All brain blood comes from two pairs of arteries…

A

internal and vertebral arteries

20
Q

Ophthalmic arteries supply ..

A

eye, orbit and forehead

21
Q

Anterior cerebral arteries supply..

A

frontal lobes

22
Q

Middle cerebral arteries supply..

A

temporal lobes

23
Q

Superficial intrinsic muscles of the posterior neck region…

A

splenius capitis

splenius cervicis

24
Q

Intermediate intrinsic muscles of posterior neck..

A

longissimus capitis

longissimus cervicis

25
Deep intrinsic muscles of suboccipital region..
semispinalis capitis muscles
26
4 muscles deep to semispinalis capitis
rectus capitis posterior minor and major | obliquus capitis superior and inferior
27
Suboccipital triangle formed by..and contains
rectus capitis major, obliquus capitis inferior and obliqques capitis superior vertebral artery and suboccipital nerve
28
Hyperextension in whiplash can cause ..
anterior longitudinal ligament to be stretched and/or torn
29
Severe hyperextension of the neck in whiplash can
rupture discs and break the posterior arch of the atlas