Ventricles, CSF and Meninges

Most CSF is reabsorbed from the subarachnoid space into the?

• Confluence of the sinuses

• Epidural Space

• Internal Jugular vein

• Lateral Ventricle

• Superior Sagittal Sinus

Which of the following areas does not contain choroid plexus?

• Infundibular recess of the 3rd ventricle

• 4th Ventricle

• Superior horn of lateral ventricle

• Inferior horn of lateral ventricle

• Posterior horn of lateral ventricle

Here is a coronal section through the posterior cranial fossa. Identify structure B

• Tentorium Cerebelli

• Falx Cerebri

• Falx Cerebelli

• Diaphragma sellae

• Dura Mater

An epidural hematoma can occur following the rupture of which blood vessel?

CSF flows from the lateral ventricles into the third ventricle through which foramina?

• Foramen of Luschka

• Foramen of Megende

• Foramen of Monro

• Cerebral Aqueduct

• Central Canal

Name the dural venous sinus into which the superior sagittal sinus, inferior sagittal sinus and straight sinus drain into?

Using the image, describe the venous drainage of the cranial cavity?

CSF is produced by cells

Which cell type does NOT contribute to the blood brain barrier?

• Astrocytes

• Pericytes

• Endothelial cells

• Microglia

• Perivascular cells

What is the anatomical significance of astrocytic feet processes?

A. Seal blood vessels surface

B. Let oxygen, hydrogen and bicarbonate ions pass through

C. Excludes passage of infective organisms

D. Creates a controlled intracranial environment

• A, B, D

• A, D

• A, C, D

• B, C

• B, D