Lecture 05 Vascular and Ventricular systems

3 meninges layers:

T/F: all three meninge layers have their own innervation.

Which meninge layer has its own blood supply?

_____ folds on itself to separate the L/R hemispheres. This structure is called the ______.

The horizontal fold of dura is called _______

What are the two layers of the dura?

T/F: Both layers of dura folds to form the falx cerebri.

The space between the invaginated meningeal layer and periosteal layer is the _________.

Which structures can be found in the sinus that acts as a pathway for CSF to meet the venous blood?

At the bottom of cerebral falx where the meningeal layers separate slightly is the ____ sinus.

T/F: the sinus contains both venous blood and CSF.

Another space that contains CSF and blood vessels at the same time is the ______ .

Parenchyma means _______.

The Pia mater invaginates together with cerebral arteries to form the _______.

Epidural hematoma occurs between _______ while subdural hematoma occurs between________.

Which is more likely to cause hernia of cingulate gyrus? Epidural or subdural hematoma?

On the spinal nerve level, the dura is referred to as _______, arachnoid becomes _______ while the pia becomes _______.

The anterior circulatory pathway supplies __% of blood cerebral supply while the posterior circulatory provides blood supply to ______________.

The vertebral artery enters the skull via:

The (internal/external) carotid artery enters the skull via __________.

Where does the anterior, middle, and posterior cerebral artery come off of?

What are the 5 branches of internal carotid, from anterior to posterior?

Infarction of internal capsule is very dangerous because:

Name the arteries from most inferior/posterior to the most anterior/superior, starting from the vertebral arteries.

What are the branches coming off of the basilar artery?

Which structure is between the optic chiasm and the mammary glands?

The anterior cerebral artery supplies the _____ lobe and the ____ lobe on the ___ surface.

The posterior cerebral artery supplies the _____ lobe including areas _____ and ______.

The ACA wraps around the superior portion of the cerebrum, sharing the perfusion with __________ .

What functions are affected if the MCA is blocked?

Based on sensory homunculus, the ACA supplies sensory of _________ (body regions) while the MCA supplies __________.

The MCA passes the _____ sulcus and gives off very small branches called _______ which supplies the ________.

The lenticulostriate arteries are very prone to blood clot because they are ______.

Major and supporting blood supply to the rostral midbrain:

Major and supporting blood supply to the caudal midbrain:

Most important blood supply for the pons comes from _________. A rostral supporting artery is _______ and a caudal supporting artery is _________.

The main blood supply for medulla comes from the _______, while the rostral medullar also has support from _______ and _______, the caudal medullar has support from ______ and _________.

Three key structures for blood supply to the cerebellum.

The posterior spinal artery supplies the _________ part of the spine.

The anterior spinal artery supplies _____________ of the spine.

Sensory defects are usually associated with blood supply shortage of the _______ artery while motor defects are usually associated with _________.

Lable the sinuses of the brain.

The sinus intersects at _________.

The superior sagittal sinus and inferior sagittal sinus drains to the _________, where they separates to go through L and R _______ sinuses, turning into the ________ and finally enters the _______.

There are _____ around the blood capillaries to prevent the diffusion of larger substances, called the ____. However some chemicals are able to get through, such as ____, _____ and _____.

Which organs do NOT have a BBB?

What are the 3 layers of the choroid plexus?

Which cells are the filter for CSF?

What are the 3 key components of CSF production?

How much CSF is produced per day?

How much space is available for CSF?

Outline the pathway of CSF from arterioles to veins.

Lable the major cisterns

Virchow-Robin space is also called the ________. They expand when we are sleep, allowing CSF to wash our brain.