Meninges Flashcards

Seiden

1
Q

Cranial dura is composed of both ____ and ____ Dura, whereas spinal dura is just one dura layer. This is why there is no epidural space in cranial levels.

A

Meningeal, Periosteal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

In the head, the meningeal dura is connected to the perisosteal dura everywhere except for one region called the ____ ___ Dural Venous Sinus. This sinus continues down and creates another sinus just out of the Meningeal dura called the ____ ____.

A

Superior Sagittal, Inferior Sagittal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

If the Middle Meningeal Artery ruptures, it causes a _____ Hematoma. However if a Cortical Bridging Vein ruptures, it causes a _____ Hematoma. This makes sense because the Middle Meningeal artery is found on the periosteal dura.

A

Epidural, Subdural.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Veins outside of the skull communicating inside the brain is known as a ___ vein, which do not have valves, so they are susceptible to backflow.

A

Emissary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The skull’s Supratentorial region contains right and left ____ hemispheres, whereas the infratentorail region contains right and left ______ hemispheres

A

Cerebral, Cerebellar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The veins in the skull have a Superior and inferior Sagittal sinus that both drain down from anterior to posterior through the straight sinus. After this, from this confluence of Sinuses, the Sigmoid and Inferior Petrosal Sinus come together and exit as One Vessel known as the ____ _____ Vein

A

Internal Jugular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The Lateral Ventricles (1&2) lead to the third ventricle via the Joining Opening known as the _______ ______ (_____)

A

Interventricular Foramen of (Monro)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The Third Ventricle leads to the Fourth ventricle via the brain’s collecting tube called the _____ ____ (_____)

A

Cerebral Aqueduct (Sylvius)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

From the Fourth Ventricle, once the CSF reaches the central canal they enter the Subarachnoid space via either the Opening on the side known as the _____ ____ (______), or the Opening more on the middle known as the _____ ____ (Magendie)

A

Lateral Foramina (Luschka)

Median Foramen (Magendie)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A communicating Hydrocephalus is a problem due to _____, whereas a Non-Communicating Hydrocephalus is due to _____

A
  • Resorption (Meningitis)
  • Obstruction (Tumor)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The Circle of Willis could be split into two halves. The cerebral part’s main supply is the _____ _____ Artery. The Basilar part’s main supply is the _____ Artery.

A

Basilar, Vertebral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The _____ _____ Artery links the Cerebral and Basilar halves of the circle of Willis.

A

Posterior Communicating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

In regards to cranial blood supply, The Anterior and Posterior Spinal arteries both derive from the _______ Artery.

A

Vertebral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The Superior Cerebellar, Pontine Artery, and Anterior Inferior Cerebellar artery all derive from the ______ Artery.

A

Basilar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The Posterior Communicating Artery connects the ______ and _____ Cerebral arteries together to join the Cerebral and Basilar halves of the Circle of Willis

A

Middle, Posterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The Anterior and Posterior Cerebral arteries derive from the _____ _____ artery, whereas the Posterior Cerebral artery derives from the _____ artery

A

Internal Carotid, Basilar

17
Q

Injuring the Middle Meningeal Artery, which follows the skull causes _____ Hematoma, while Injuring the Cortical Cerebral Vein, causes a _____ Hematoma.

A

Epidural, Subdural

18
Q

Injuring Cerebral Arteries would cause a _____ Hemorrhage because of how deep it goes.

A

Subarachnoid

19
Q

Since Dura are tightly attached to suture lines, how would you expect Epidural Hematomas to present on MRIs?

A

Isolate White Bulge

20
Q

In the head, the _____ vein supplies both the Orbit and the face, and so popping a pimple could cause an infection into the Cavernous Sinus

A

Opthalmic