Intro to Neuroscience

Question 1

what does Rostral mean?

Answer 1

refers to the anterior (front) of the brain.

Question 2

what does Caudal mean?

Answer 2

refers to the posterior (back) of the brain.

Question 3

what does Dorsal mean?

Answer 3

refers to the top of the brain or back of the spine.

Question 4

what does Ventral mean?

Answer 4

refers to the bottom of the brain or front of spine.

Question 5

what does Medial mean?

Answer 5

anything close to the midline.

Question 6

what does Lateral mean?

Answer 6

anything further away from the midline.

Question 7

where is a Midsagittal section?

Answer 7

section on the rostral-caudal axis along the midline.

Question 8

where is a Horizontal section?

Answer 8

section cut horizontally / dorsal-ventral axis.

Question 9

where is a Coronal section?

Answer 9

section cut downwards on a medial-lateral axis

Question 10

what makes up grey matter?

Answer 10

cell bodies, neurons, and glia.

Question 11

what makes up white matter?

Answer 11

neuronal axons - myelinated.

Question 12

what do we have one of in each hemisphere?

ventricular system

Answer 12

2 lateral ventricles - they link to a third ventricle around the diencephalon level.

Question 13

what does the third ventricle link to via what?

Answer 13

third ventricle links to the fourth ventricle via the cerebral aqueducts around the pons level.

Question 14

the fourth ventricle goes on to form what?

Answer 14

the small spinal cavity that runs through the spinal cord.

Question 15

grey matter in the spinal cord is made up of what two horns?

Answer 15

the dorsal horn and the ventral horn.

Question 16

the grey matter dorsal horn contains what information?

Answer 16

sensory information.

Question 17

the grey matter ventral horn contains what information?

Answer 17

motor information?

Question 18

white matter in the spinal cord is made up of what two tracts?

Answer 18

the ascending tract and the descending tract.

Question 19

the white matter ascending tract carries what information?

Answer 19

sensory information.

Question 20

the white matter descending tract contains what information?

Answer 20

motor information.

Question 21

what are the (basic) 8 areas of the human brain?

Answer 21

Cerebral hemisphere, 
Telencephalon,
Diencephalon,
Thalamus / Hypothalamus,
Midbrain,
Pons,
Medulla,
Cerebellum.