Introduction Ot The Central Nervous System And Gross Topography Of The Brain I

Front 1

What are the five divisions of the brain?

Back 1

Telencephalon
Diencephalon
Mesencephalon
Metencephalon
Myelencephalon
Spinal Cord

Front 2

What are the three components of the brain stem?

Back 2

Mesencephalon
Metecnecphalon
Myelencephalon

Front 3

Name the components of the telencephalon?

Back 3

Forebrain
- Cerebral hemispheres
- Subcortical fiber bundles
- basal ganglia

Front 4

Name the components of the diencephalon

Back 4

Between brain
- Thalamus
- Hypothalamus
- subthalamus

Front 5

Midbrain =

Back 5

Mesencephalon

Front 6

Metencephalon =

Back 6

Pons
Cerebellum

Front 7

Myelencephalon =

Back 7

Medulla

Front 8

Which is the dominant hemisphere?

Back 8

The one related to speech and handedness

Front 9

What are convolutions or ridges on cerebral hemispheres?

Back 9

Gyri

Front 10

Whar are grooves between individual gyri?

Back 10

Sulci

Front 11

What are the named subdivisions of the creebral hemispheres consisting of gyri and sulci?

Back 11

Lobes

Front 12

What is the major oblique sulcus on the lateral convexity of hemispher; separates frontal and parietal lobes superiorly from temporal lobe inferiorly?

Back 12

Lateral sulcus

Front 13

What is the vertical sulcus on lateral convexity of hemisphere; separates frontal from parietal lobes

Back 13

Central sulcus

Front 14

What is the vertical suclus on medial aspect of hemisphere; separates parietal from occipital lobes?

Back 14

Parieto-occipital sulcus

Front 15

What is the lboe from rostral pole of hemipshere ot central culcus; limited intereiorly by anterior part of lateral sulcus.

Back 15

Frontal lobe

Front 16

What are th boundaries of the parietal lobe?

Back 16

Central sulcus (anterior)
Extrapolated line representing the ocntinuation of the parieto-occipital sulcus onto the lateral aspect of the hemisphere.
The inferior limit of the parietal lobe is defined by a line drawn psoteriorly from a point appox. 3/4-7/8along the lenght of the later sulcus to the midpoint of the extrapolated line representing the pareito-occipital sulcus continuationo n to the lateral aspect of the hemisphere.

Front 17

Which sulcus is from the extraploated line representing continuation of parieto-occipital sulcus inferiorly to the pre-occipital notch, it extends to the caudal pole of the hemisphere.

Back 17

Occipital lobe

Front 18

Which lobe is located inferior to lateral sulcus; is separated from the pareital lboe by an expolated line drawn posteriorly from a point papor. 3/4-7/8 of the length of the lateral sulcus to interesect the midpoint of the line drawn from the parieto-occipital sulcus to the preoccipital notch.

Back 18

Temporal lobe

Front 19

What is the hiddne cortex located by spreading opent hte lateral suclsu; covered by parts of frontal, parietal and temporal lobes.

Back 19

Insula

Front 20

What sulcus is the vertical sulcus usually discontinuous (two parts); lies in front of (anterior to) an dparallel to the central sulcus; extends on to medial aspect of hemisphere.

Back 20

Precentral Sulcus

Front 21

Which sulcus is anteroposterior sulcus extending from the upper part of precentral suclus forward toward the frontal pole?

Back 21

Superior frontal sulcus

Front 22

What is the anteroposterior sulcus extending from the lwoer part of precentral suclus forward twoard the frontal pole.

Back 22

Inferior frontal sulcus

Front 23

What are the three sulci that are present in the frontal lobe?

Back 23

Precentral sulcus
Superior Frontal sulcus
Inferior Frontal sulcus

Front 24

What are the four gyri of the frontal lobe?

Back 24

Precentral Gyrus
Superior Frontal Gyrus
Middle Frontal Gyrus
Inferior Frontal Gyrus

Front 25

Which gyri is the primary motor corte?

Back 25

The precentral Gyrus

Front 26

What gyrus is the vertial gyrus between the the precentral & central sulci?

Back 26

Precentral gyri

Front 27

Is it contralateral or ipsilateral for innervation

Back 27

Contralateral

Front 28

Which frontal lobe gyrus is situated superior to the superior frontal sulcus; extends on to medial aspect of hemisphere.

Back 28

Superior Frontal Gyrus

Front 29

Which frontal lobe gyrus is two tiered and is situated betwen the superior and inferior frontal sulci?

Back 29

Middle Frontal Gyrus

Front 30

Which frontal lobe gyrus is located inferior to the inferior frontal suclus and is subdivided into three parts?

Back 30

Inferior frontal gyrus

Front 31

What are thre three subdivisions of the inferior frontal gyrus?

Back 31

Pars orbitale
Pars triangularis
Pars percularis

Front 32

What two components make up Broca's Area?

Back 32

Pars triangularis
Pars opercularis

Front 33

What is the priamry speech area for MOTOR mechanisms of speech formation?

Back 33

Broca's Area

Front 34

What are the two primary sulci which subdivide the lobe into three gyri of the parietal lobe?

Back 34

Postcentral sulcus
Intraparietal (interparietal sulcus)

Front 35

Which parietal sulcus is a vertical sulcus, usually discontinuous (two parts); situated posterior and parallel to the central sulcus?

Back 35

Postcentral sulcus

Front 36

Which parietal sulcus is anteroposterior sulcus extending from near the postcentral sulcus; extends a variable length posteriorly?

Back 36

Intraparietal (interparietal) sulcus

Front 37

What are the three gyri of the Parietal lobe?

Back 37

The Postcentral Gyrus
Superior parietal lobule
Inferior Parietal lobule

Front 38

Which parietal lobule is located above the intraparietal sulcus; its function is sensory integration.

Back 38

Superior Parietal lobule

Front 39

What area of the brain is important in sensory integration?

Back 39

Superior Parietal lobule

Front 40

Supramarginal Gyrus + Angular Gyrus =

Back 40

Inferior Parietal lobule

Front 41

Which gyrus is between the central and postcentral sulci (Postcentral gyrus)?

Back 41

Postcentral gyrus

Front 42

Where is the sensory homunculus located?

Back 42

Postcentral gyrus

Front 43

Which gyrus surrounds the ascending posterior limb of the lateral sulcus?

Back 43

Supramarginal Gyrus

Front 44

which gyrus surrounding the posterior end of the superior temporal sulcus?

Back 44

Angular Gyrus

Front 45

What is the function of the inferior parietal lobule?

Back 45

Multisensory perceptions for pareital, temporal and occipital lobes overlap

Front 46

Where is the area where multisensory perceptions for parietal, temporal and occipital lobes overlap?

Back 46

Inferior Parietal Lobule

Front 47

What is the clinical application associated with the inferior parietal lobule?

Back 47

Different disturbances occur with lesions in dominant and non-dominant hemispheres.

Front 48

Where is the lesion when patient can't put words into their proper relationships?

Back 48

Lesion of dominant Inferior Parietal lobule (usually left).

Front 49

Where is the lesion when the patient neglects the contralateral (usually left) side of the body or left space?

Back 49

LEsion of non dominant Inferior Parietal Lobule (usually right)

Front 50

What are the three sulci which subdivide the temporal lobe into three gyri?

Back 50

Superior Temporal Sulcus
Middle Temporal Sulcus
Inferior Temporal Sulcus

Front 51

What are the three gyri of the temporal lobe?

Back 51

Superior Temporal Gyrus
Middle Temporal Gyrus
Inferior Temporal Gyrus

Front 52

Which temporal sulcus is inferior and parallel oto the lateral sulcus?

Back 52

Superior Temporal Sulcus

Front 53

Which temporal sulcus is inferior and parallel to superior temporal sulcus?

Back 53

Middle Temporal sulcus

Front 54

Which temporal sulcus is located inferior and parallel to middle temporal sulcus?

Back 54

Inferior Temporal Sulcus

Front 55

Which temporal gyrus is located between lateral and superior temporal sulci?

Back 55

Superior Temporal Gyrus

Front 56

What is another name for the primary auditory cortex?

Back 56

TRansverse Gyri of Heschl

Front 57

Is the primary auditory cortex heavily bilateral when compared with other sensory systems?

Back 57

True

Front 58

T/F, are the Transverse Gyri of Heschl considered to be part of the superior Temporal Gyrus?

Back 58

True

Front 59

Which temporal gyrus is located between the superior and middle temporal sulci?

Back 59

Middle Temporal Gyrus

Front 60

Which temporal gyrus is located between the middle and inferior temporal sulci?

Back 60

Inferior Temporal Gyrus

Front 61

Which lobe consists of irregular, lateral occipital gyri on the lateral aspect of the cerebral hemisphere?

Back 61

Occipital lobe

Front 62

Which lobe is viewed by separating the banks of the lateral sulcus?

Back 62

Insula

Front 63

Which lobe has the purpose of integration of visual, somatosensory and auditory functions?

Back 63

Insula

Front 64

What rests on the cribriform plat of the ethoid bone and continue caudally?

Back 64

Olfactory Bulbs and Tracts

Front 65

What is the anteroposterior groove in whic the olfactory bulbs and tracts are situated?

Back 65

Olfactory sulcus

Front 66

What is a strip of cortex medial to olfactory sulcus?

Back 66

Gyrus Rectus

Front 67

What are numerous gyri lateral to olfactory sulcus?

Back 67

Orbital Gyri

Front 68

What lobe occipies the lateral portion of middle cranial fossa?

Back 68

The Temporal Lobe

Front 69

What lobe is located above tentorium cerebelli in posterior cranial fossa?

Back 69

Occipital

Front 70

Which sulcus is anteroposterior located lateral to the uncus, parahippocampal and lingual gyri are associated with it?

Back 70

Collateral sulcus

Front 71

Which sulcus is anteroposterior sulcus located between the occipitotemporal and inferior temporal gyri?

Back 71

Inferior Temporal Sulcus

Front 72

What are the two gyri and one region located medially to the collateral sulcus?

Back 72

Uncus
Parahippocampal gyrus
Lingual gyrus

Front 73

What is the medial hook-like protrusion at rostral end of the parahippocampal gyrus; lateral to brain stem?

Back 73

Uncus

Front 74

What is the gyrus on the basal surface of temporal lobe; ends rostrally and medially as the uncus and merges caudally with the lingual gyrus?

Back 74

Parahippocampal Gyrus

Front 75

What is the gyrus located on the basal surface; continuous rostrally with parahippocampal

Back 75

Lingual gyrus

Front 76

What gyrus is located lateral to the collateral sulcus and medail to the inferior temporal sulcus?

Back 76

Occipitotemporal Gyrus