Brain lab (6a)

Question 1

what cells line the choroid plexus of a lateral ventricle and what type of epithelium is this?

Answer 1

Ependymal cells: Simple cuboidal epithelium with microvilli

Question 2

how does the protein content in blood plasma differ from that in CSF?

Answer 2

protein concentration is also far lower in CSF than in plasma

Question 3

what important structures does the Superior temporal gyrus contain?

Answer 3

auditory cortex and wernicke’s area

Question 4

what passes through the foramen magnum?

Answer 4

vertebral artery, spinal cord, meninges

Question 5

How can you assess the depth of consciousness using supraorbital nerve?

Answer 5

By applying pressure to the supraorbital nerve (is painful so reflex should occur)

Question 6

what does the cerebral aqueduct do?

Answer 6

acts like a canal that passes through the midbrain and connects the third ventricle with the fourth ventricle

Question 7

what is the corona radiata?

Answer 7

a white matter sheet that continues ventrally as the internal capsule and dorsally as the centrum semiovale.

Question 8

what are arachnoid granulations?

Answer 8

projections of the arachnoid membrane (villi) into the dural sinuses that allow CSF to pass from the subarachnoid space into the venous system.

Question 9

What goes through the foramen Spinosum?

Answer 9

the middle meningeal artery, middle meningeal vein, and the meningeal branch of the mandibular nerve

Question 10

list the five sutures of the brain and now their locations

Answer 10

Metopic
Coronal
Sagittal
Lamboid

Question 11

what does the middle meningeal artery supply and what does it branch from?

Answer 11

it is the 3rd branch of the maxillary artery

It supplies the dura mater and the calviaria (top part of skull)