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Neuroscience Quiz 1 > Topography > Flashcards

Topography Flashcards

1
Q

Pyramids?

A

Ventral medulla

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2
Q

These are paired structures on either side of the anterior/ventral median fissure

A

Pyramids

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3
Q

Anterior/ventral median fissure?

A

Ventral medulla

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4
Q

This divides the ventral medulla in half vertically.

A

Anterior/ventral median fissure

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5
Q

The anterior/ventral median fissure runs caudally and becomes what?

A

Pyramidal decussation

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6
Q

Pyramidal decussation?

A

Ventral medulla

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7
Q

Inferior olive?

A

Ventral medulla

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8
Q

What structure is found lateral to the medullary pyramids?

A

Inferior olive

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9
Q

Post-olivary sulcus?

A

Ventral medulla

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10
Q

Pre-olivary sulcus?

A

Ventral medulla

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11
Q

What two structures run in the post-olivary sulcus?

A

CNIX/Glossopharyngeal

CNX/Vagus

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12
Q

What structure runs in the pre-olivary sulcus?

A

CNXII/Hypoglossal

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13
Q

Which 4 structures run in the medullary-pons junction from medial to lateral?

A

CNVI/abducens
CNVII motor root
CNVII intermediate n
CNVIII/vestibulocochlear

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14
Q

Basal pons?

A

Ventral pons

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15
Q

Middle cerebellar peduncles?

A

Ventral pons

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16
Q

What structure connects the pons to the cerebellum?

A

Middle cerebellar peduncle

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17
Q

What structure runs through the middle cerebellar peduncle?

A

CNV/Trigeminal

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18
Q

Cerebral peduncles?

A

Ventral midbrain

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19
Q

Interpeduncular fossa?

A

Ventral midbrain

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20
Q

What structure connects the cerebral cortex to Brainstem?

A

Cerebral peduncles

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21
Q

What structure runs in the interpeduncular fossa?

A

CNIII/Occulomotor

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22
Q

Mammillary bodies?

A

Ventral diencephalon

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23
Q

Infundibulum?

A

Ventral diencephalon

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24
Q

Tuber cinereum?

A

Ventral diencephalon

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25
Q

Optic chiasm?

A

Ventral diencephalon

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26
Q

What paired structures are located posterior to the hypothalamus?

A

Mammillary bodies

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27
Q

What connects the hypothalamus to the pituitary gland?

A

Infundibulum

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28
Q

This structure is located between the mammillary bodies and Infundibulum and contains the median eminence.

A

Tuber cinereum

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29
Q

Where do the optic nerves meet?

A

Optic chiasm

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30
Q

What are the optic tracts?

A

Optic nerves –> optic chiasm –> optic tracts

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31
Q

Vermis?

A

Cerebellum

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32
Q

Folia?

A

Cerebellum

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33
Q

Posterolateral fissure?

A

Cerebellum

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34
Q

Flocculus?

A

Cerebellum

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35
Q

Cerebellar tonsil?

A

Cerebellum

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36
Q

This is the midline structure of the cerebellum?

A

Vermis

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37
Q

Transverse folds of the cerebellum.

A

Folia

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38
Q

The Posterolateral fissure separates what?

A

Flocculus

Posterior lobe

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39
Q

What structure is located between the ventral pons and cerebellum?

A

Flocculus

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40
Q

This is the most inferior region of the cerebellum and superior to the foramen magnum.

A

Cerebellar tonsil

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41
Q

Gracile tubercle?

A

Dorsal medulla/pons

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42
Q

Cuneate tubercle?

A

Dorsal pons/medulla

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43
Q

Inferior cerebellar peduncle?

A

Dorsal medulla/pons

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44
Q

4th ventricle?

A

Dorsal pons/medulla

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45
Q

Striae medullaris?

A

Dorsal medulla/pons

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46
Q

Obex?

A

Dorsal medulla/pons

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47
Q

Sulcus limitans?

A

Dorsal medulla/pons

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48
Q

Hypoglossal trigone?

A

Dorsal medulla/pons

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49
Q

Vagal trigone?

A

Dorsal pons/medulla

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50
Q

Facial colliculus?

A

Dorsal pons/medulla

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51
Q

Vestibular area?

A

Dorsal pons/medulla

52
Q

This structure is the most superior region of the dorsal columns and is immediately lateral to the midline.

A

Gracile tubercle

53
Q

This structure is the superior most part of the dorsal columns and is further lateral to the midline.

A

Cuneate tubercle

54
Q

What connects the medulla to the cerebellum?

A

Inferior cerebellar peduncle

55
Q

The 4th ventricle is located between which 2 structures?

A

Dorsal Brainstem

Cerebellum

56
Q

What structure marks the division between the medulla and pons?

A

Striae medullares

57
Q

What is the most caudal point of the 4th ventricle?

A

Obex

58
Q

This divides the motor and sensory regions of the dorsal medulla/pons. Which is more medial? Lateral?

A

Sulcus limitans
Medial- motor
Lateral- sensory

59
Q

Which of the nuclei is most superior on the dorsal medulla/pons? Which is inferior?

A

Facial colliculus
Hypoglossal trigone
Vagal trigone

60
Q

This region is lateral to the facial colliculus.

A

Vestibular area

61
Q

Corpora quadrigemina?

A

Dorsal midbrain

62
Q

What makes up the corpora quadrigemina?

A

2 superior colliculi

2 inferior colliculi

63
Q

What does the superior brachium connect?

A

Superior colliculus to lateral geniculate body

64
Q

What does the inferior brachium connect?

A

Inferior colliculi to the medial geniculate body

65
Q

Medial and lateral geniculate bodies?

A

Dorsal midbrain

66
Q

Superior and inferior brachium?

A

Dorsal midbrain

67
Q

What structure is located immediately superior to the superior colliculus?

A

Pineal gland

68
Q

Pineal gland?

A

Dorsal midbrain

69
Q

What are the 4 lobes of the cerebrum?

A

Frontal
Parietal
Temporal
Occipital

70
Q

The lateral fissure separates which lobes?

A

Temporal from frontal and parietal

71
Q

Opening the lateral fissure reveals which region?

A

Insula

72
Q

The central sulcus separates which lobes?

A

Frontal

Parietal

73
Q

What separates the parietal and occipital lobes?

A

Parieto-occipital sulcus

ONLY MEDIALLY

74
Q

What is found rostral to the central gyrus?

A

Pre central gyrus

75
Q

What makes up the primary motor cortex?

A

Pre central gyrus

76
Q

What is immediately rostral to the pre central gyrus?

A

Pre central sulcus

77
Q

What is caudal to the central sulcus?

A

Post central gyrus

78
Q

What forms the primary somatosensory cortex?

A

Post central gyrus

79
Q

What is immediately caudal to the postcentral gyrus?

A

Postcentral sulcus

80
Q

From medial to lateral, what are the 3 gyri of the frontal lobe?

A

Superior frontal
Middle frontal
Inferior frontal

81
Q

How many parts is the inferior frontal gyri divided into? They are?

A

3- opercular, triangular, orbital

82
Q

What region is known as Broca’s area? What is the function?

A

Opercular gyrus

Motor language

83
Q

This region is directly lateral to the midline interhemispheric fissure on the ventral frontal lobe.

A

Straight gyrus

84
Q

From the interhemispheric fissure on the ventral frontal lobe what are the structures medial –> lateral?

A

Interhemispheric fissure –> straight gyrus –> olfactory sulcus –> orbital frontal gyrus

85
Q

What structure runs within the olfactory sulcus?

A

Olfactory tract and bulb

86
Q

Which region is immediately caudal to the lateral fissure?

A

Angular gyrus

87
Q

What is the angular gyrus also known as? What is its function?

A

Wernecke’s area

Language

88
Q

Supra marginal gyrus is part of which lobe?

A

Temporal

89
Q

Which 2 regions are hidden in the lateral fissure?

A

Transverse gyri of Heschl

Insula

90
Q

Which region serves as the primary auditory cortex?

A

Transverse gyri of Heschl

91
Q

The insula function?

A

Visceral functions

92
Q

This is the most medial gyrus on the ventral aspect of the temporal lobe.

A

Parahippocampal gyrus

93
Q

This separates the parahippocampal gyrus from the rest of the temporal lobe.

A

Collateral sulcus

94
Q

Going from medial to lateral, what are the structures on the ventral temporal lobe?

A

Hippocampal sulcus–> Parahippocampal gyrus –> collateral sulcus

95
Q

This is a swelling of the rostral end of the parahippocampal gyrus?

A

Uncus

96
Q

How many parts does the corpus callosum have? They are?

A

4- rostrum, genu, body, splenium

97
Q

This is immediately dorsal to the corpus callosum?

A

Cingulate gyrus

98
Q

This is immediately ventral to the corpus callosum?

A

Subcallosal region

99
Q

This sulcus runs in the occipital lobe and merges with the parietal-occipital sulcus.

A

Calcarine sulcus

100
Q

This separates the lateral ventricles.

A

Septum pellucidum

101
Q

What forms the floor of the lateral ventricle?

A

Thalamus

102
Q

What forms the lateral wall of the lateral ventricle?

A

Caudate nucleus

103
Q

This is a C-shaped tract between hippocampus and hypothalamus.

A

Fornix

104
Q

This is rostral to rostrum of corpus callosum and connects temporal lobes.

A

Anterior commissure

105
Q

This connects the two lobes of the thalami

A

Thalamic adhesion/masa intermedia

106
Q

What is the flow of CSF?

A

Choroid plexus–> lateral ventricles–> foramen of Monroe–> 3rd ventricle–>cerebral aqueduct–> 4th ventricle

107
Q

This connects the cerebellum to the midbrain

A

Superior cerebellar peduncle

108
Q

The lateral geniculate body is important in what?

A

Head/eye coordination

109
Q

This separates anterior and posterior lobes of the cerebellum

A

Primary fissure

110
Q

This is the most anterior part of the vermis

A

Nodulus

111
Q

What are the regions of the Brainstem?

A

Medulla
Pons
Midbrain

112
Q

Swellings cover? Ridges cover?

A

Swellings- nuclei

Ridges- tracts

113
Q

What produces CSF?

A

Choroid plexus

114
Q

Where does the spinal cord end?

A

L1-L2

115
Q

The very last point of the spinal cord is called?

A

Conus medullares

116
Q

The continuation of the pia past the end of the spinal cord is what?

A

Filum terminale interna

117
Q

The cauda equina consists of what nerve roots?

A

Lumbar and sacral

118
Q

In between which brain layers are the venous sinuses?

A

Layers of the dura

119
Q

True or False. White matter increases as you move down the spinal cord.

A

False- white matter decreases down the spinal cord

120
Q

At what point along the spinal cord is the gray matter the most?

A

Cervical and lumbar enlargements

121
Q

The dorsal columns are located in which tract?

A

Dorsal funiculus

122
Q

The dorsal tract of the spinal cord is ascending or descending? What is the function?

A

Ascending

Sensory

123
Q

The gray matter of the spinal cord divides it into 3 parts. They are?

A

Dorsal funiculus
Lateral funiculus
Ventral funiculus

124
Q

The dorsal columns terminate into which 2 structures rostrally?

A

Cuneate tubercle

Gracile tubercle

125
Q

What structure runs in the anterior median sulcus of the spinal cord?

A

Anterior spinal artery

126
Q

What structures form the diencephalon?

A

Thalamus
Hypothalamus
Epithalamus

127
Q

The epithalamus contains which structure?

A

Pineal gland

Neuroscience Quiz 1 (7 decks)

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