Human Brain practical

Question 1

Name of the hole in the base of the skills, where the medulla continuous from the spinal cord

Answer 1

foramen magnum

Question 2

Returning to the fourth ventricle, and how its roof is located in the white matter of the cerebelum.
- there is a perforation in the membrane of th 4th ventricle known as …

Answer 2

Median aperture (foramen Magendie)

Question 3

The median aperture allows CSF to drain from the ventricular system into an enlarged portion of the subarachnoid space, known as ..

Answer 3

Cisterna Magna

cerebello-medullary cistern

Question 4

The superior cerebellar peduncles contains most of the efferent fibres of …
Which route do these follow?

Answer 4

CEREBELLUM
- these efferent fibres follow this route: pass chiefly through the RED NUCLEI of the MIDBRAIN
and then to the motor part of the thalamus. =

Question 5

Where is the PINEAL BODY?

Answer 5

it is embedded in the meningeal tissue and extends backwards from its origin in the posterior/ superior wall of the third ventricule to lie over the tectum in the midbrain

Question 6

INTERVENTRICULAR FORAMEN

Answer 6

is what the third ventricle uses to communicate with the lateral ventricle

Question 7

FORNIX

Answer 7

a prominent fibre bundle connecting the hippocampus with the hypothalamus

Question 8

circle of Willis

Answer 8

This connection between independent brain blood supplies (which results in a circle of blood vessels at the base of the brain, known as the circle of Willis) is an important factor in the reduction of the risk associated with occlusion of, or injury to, a major cerebral artery