Telencephalon & Diencephalon

Question 1

Neural tube forms from

Answer 1

neuroectoderm

Question 2

Anterior portion of neural tube

Answer 2

grows more than posterior portion
constrained by skull
becomes the brain

Question 3

Name parts of neural tube from most rostral/anterior to caudal/posterior

Answer 3

telencephalon
diencephalon
mesencephalon
metencephalon
myelencephalon
spinal cord

Question 4

Sulcus

Answer 4

fold

Question 5

Gyrus

Answer 5

surface separation

Question 6

Name the main sulci

Answer 6

cruciate sulcus

pseudosylvian fissure

Question 7

Name the main gyri

Answer 7

suprasylvian gyrus
ectosylvian gyrus
sylvian gyrus
pre-cruciate gyrus
post-cruciate gyrus
occipital gyrus

Question 8

Gyri involved in somesthetic (sensory) & what lobes they are part of

Answer 8

post-cruciate gyrus - frontal lobe
rostral suprasylvian gyrus - frontal lobe
ectosylvian gyrus - temporal lobe

Question 9

Gyri involved in motor & what lobes they are a part of

Answer 9

post-cruciate gyrus - frontal lobe

rostral suprasylvian gyrus - frontal lobe

Question 10

Gyri involved in auditory & what lobes they are a part of

Answer 10

ectosylvian gyrus - temporal lobe

Question 11

Gyri involved in vision & what lobes they are a part of

Answer 11

occipital gyrus - occipital lobe

Question 12

Lesion in frontal lobe

Answer 12

sensory & motor skills affected

Question 13

Lesion in temporal lobe

Answer 13

sensory & hearing affected

Question 14

Lesion in occipital lobe

Answer 14

vision affected

Question 15

Lesion in parietal lobe

Answer 15

no primary cortical area

Question 16

Lack piriform lobe

Answer 16

smell affected

Question 17

Gray matter contains

Answer 17

cell bodies

Question 18

Gray matter parts of cerebrum

Answer 18

cerebral cortex

basal nuclei -> caudate & lentiform (putamen & pallidus)

Question 19

White matter contains

Answer 19

axons

Question 20

White matter parts of cerebrum

Answer 20

corpus collosum, internal capsule, & white matter tracts

Question 21

Corpus collosum

Answer 21

axons connecting functional units of right & left hemispheres

Question 22

Internal capsule

Answer 22

cerebral afferents & efferents

carry info into & out of cerebrum

Question 23

Meninges

Answer 23

cover outer surface & inner surface from longitudinal fissure to corpus collosum

Question 24

Falx cerebri

Answer 24

meninges that cover interior part of longitudinal fissure

Question 25

Tentorium cerebelli

Answer 25

fold that tucks b/w cerebrum & cerebellum

Question 26

Dorsosagittal sinus

Answer 26

forms b/w hemispheres | CSF fluid is circulated here

Question 27

Info flow in neurons

Answer 27

info in via dendrites | info out via axons

Question 28

Info flow neuron to neuron

Answer 28

presynaptic send info in & postsynaptic send info out

Question 29

Info flow brain structure to brain structure

Answer 29

afferent fibers bring sensory info in & efferent send motor info out

Question 30

Unipolar neurons

Answer 30

1 process at cell body | sensory

Question 31

Bipolar neurons

Answer 31

2 processes at cell body | sensory

Question 32

Multipolar neurons

Answer 32

many processes at cell body | sensory or motor

Question 33

Telencephalon gives rise to

Answer 33

cerebrum & rhinencephalon

Question 34

Cerebrum function

Answer 34

somesthetic (sensory), motor, auditory, & visual

Question 35

Rhinencephalon function

Answer 35

olfactory (piriform lobe)

Question 36

Diencephalon gives rise to

Answer 36

thalamus, epithalamus (pineal gland), hypothalamus, & hypophysis (posterior pituitary)

Question 37

Thalamus function

Answer 37

integrates sensory & motor info | projects to cerebral cortex

Question 38

Epithalamus function

Answer 38

endocrine structure | releases melatonin in response to darkness

Question 39

Hypothalamus function

Answer 39

broad spectrum | multiple nuclei

Question 40

Hypophysis function

Answer 40

hormones

Question 41

Sensory receptors for olfaction

Answer 41

cilia on olfactory cells in olfactory epithelium

Question 42

Cranial nerve for olfaction

Answer 42

olfactory n (CN I) from olfactory cell axons that go to the olfactory bulb

Question 43

Central nucleus for olfaction

Answer 43

none

Question 44

Cortical area for olfaction

Answer 44

piriform lobe of rhinencephalon

Question 45

Sensory receptors for vision

Answer 45

photoreceptors in the retina

Question 46

Cranial nerve for vision

Answer 46

optic n (CN II) from axons of retinal ganglion cells

Question 47

Central nucleus for vision

Answer 47

lateral geniculate ganglion of the thalamus

Question 48

Cortical area for vision

Answer 48

primary visual area in occipital lobe