Practical 3: Neuroanatomy

Question 1

what is the most noticeable feature of the mammalian brain

Answer 1

the cerebral cortical hemispheres, ie enlarged cortex

Question 2

what the gyri and sulci

Answer 2

folds in the cerebral cortex due to raised areas (gyri) that are separated by dips (sulci or fissures)

Question 3

what is the longitudinal fissure

Answer 3

the deep groove that separates left and right hemispheres of the brain

Question 4

describe the structure of the cerebellum

Answer 4

cauliflower structure

Question 5

what is the function of the gyri and sulci

Answer 5

they are folds of the brain which increase surface area

Question 6

what is the function of the frontal lobe

Answer 6

somatosensory (touch) area

Question 7

what is the function of the parietal lobe

Answer 7

primary motor control area

Question 8

what is the function of the occipital lobe

Answer 8

primary visual sight area

Question 9

what is the function of the temporal lobe

Answer 9

primary auditory sound area

Question 10

what are the four cortical lobes of the brain

Answer 10

frontal parietal occipital and temporal

Question 11

the frontal lobe processes which three of the following types of information

Answer 11

cognitive reasoning
language production
emotion

Question 12

the temporal lobe processes which three of the following types of information

Answer 12

primary olfactory smell area
language comprehension
memory

Question 13

the central sulcus separates which lobes

Answer 13

the frontal lobe and parietal lobe

Question 14

the lateral fissure separates which lobes

Answer 14

the frontal and parietal lobes

Question 15

what gland sits under the hypothalamus and serves as the brains link to the hypothalamus

Answer 15

the pituitary gland

Question 16

draw the sympathetic chain and spinal nerve in relation to the spinal cord

Answer 16

sympathetic chain running parallel close to the spinal cord and spinal nerve is further away from the spinal cord and sympathetic chain, runs perpendicular to sympathetic chain

Question 17

what is the conus terminalis

Answer 17

the tapered lower end of the spinal cord

Question 18

the spinal cord is part of which nervous system

Answer 18

the central nervous system

Question 19

the spinal nerves are part of which nervous system

Answer 19

peripheral nervous system

Question 20

the sympathetic chain forms part of which nervous system

Answer 20

the autonomic nervous syste

Question 21

draw the five regions of cortex

Answer 21

frontal then parietal then occipital as the top three regions of cortex, with the temporal beneath the three and then the cerebellum under the temporal and occupital

Question 22

what are the three divisions of the brainstem from top to bottom

Answer 22

midbrain
pons
medulla
(spinal cord)

Question 23

what is more accurate a light microscope of a dissecting scope and why

Answer 23

the light microscope because we were able to get a higher degree of magnification

Question 24

the dorsal root contains what neurons

Answer 24

sensory

Question 25

the ventral root contains which neurones

Answer 25

motor

Question 26

the dorsal root ganglion contains the cell bodies of what type of neuron

Answer 26

sensory

Question 27

spinal nerves contain what neurons

Answer 27

sensory and motor