Nervous 3 Flashcards
1
Q
What kind of fibres pass through the corpus collosum?
A
Commissure fibres
2
Q
What are the 4 parts of the corpus collosum?
A
Rostrum
Genu
Body
Splenium
3
Q
What is A?
A
Body
4
Q
What is B?
A
Genu
5
Q
What is C?
A
Rostrum
6
Q
What is D?
A
Spleenium
7
Q
What is the septum pellucidum?
A
Thin sheet that lies in the mied sagittal plane and seperates the anterior horns of the two lateral ventricles
8
Q
What is the septum pellicuidum inferior to?
A
Corpus collosum
9
Q
What is inferior to the septum pellicudum?
A
Fornix
10
Q
What is the fornix?
A
Bundle of fibres that linkes the hippocampus with the mammilary bodies
11
Q
What is the connection between the lateral ventricles and III ventricle?
A
Interventricular foramen
12
Q
What is E?
A
Septum pellicidum
13
Q
What is F?
A
Fornix
14
Q
What are the black spaces at each side?
A
Lateral ventricles
15
Q
What is the bulbous projection on the floor of the lateral ventricle?
A
Caudate nucleus
16
Q
Caudate nucleus is one of what?
A
The basal nuclei
17
Q
What is the thalamus?
A
Sensory relay area made up of smaller masses of gray matter nuclei, each with a different function
18
Q
What of the general sensory information from the body relays to what nucleus?
A
Ventro-postero-lateral (VPL) nucleus of the thalamus
19
Q
What are the functions of the hypothalamus? (x6)
A
Releasing hormone
Regulating temperature
Regulating hunger
Managing sexual behaviour
Regulating emotional response
Regulating thirst
20
Q
A fold of what immediately overlies the pituitary gland?
A
Dura mater (called Diaphragma sellae)
21
Q
What fold overlies the pituitary gland?
A
Diaphragma sellae
22
Q
What gland is immediately posterior to the thalamus?
A
Pineal gland
23
Q
Where are the colliculi in relation to the pineal gland?
A
Inferior
24
Q
The colliculi are a component of what?
A
Midbrain
25
What is A?
Third ventricle
26
What is B?
Intermediate mass of thalamus
27
What is C?
Hypothalamus
28
What is D?
Optic chiasma
29
What is E?
Pituitary gland
30
What is F?
Mammilary body
31
What is G?
Pons
32
What is H?
Medulla oblogata
33
What is I?
Spinal cord
34
What is J?
Cerebellum
35
What is K?
Choroid plexus
36
What is L?
Fourth ventricle
37
What is M?
Cerebral peduncle of midbrain
38
What is N\>
Cerebral aquaduct
39
What is O?
Corpora quadridgemina
40
What is P?
Pineal body (part of epithalamus)
41
What is Q?
Thalamus
42
What is r?
Choroid plexus of third ventricle
43
What is S?
Corpus collosum
44
What is A?
Median longitudinal fissure
45
What is B?
Lateral ventricle
46
What is C?
Anterior limb of internal capsule
47
What is D?
Genu of internal capsule
48
What is E?
Posterior limb of internal capsule
49
What is F?
Thalamus
50
What is G?
III ventricle
51
What is H?
Lentiform nucleus (putamen is medial and globus pallidus is lateral)
52
What is I?
Caudate nucleus
53
What structures together constitute the basal ganlia nuclei?
Caudate nucleus, putamen and globus pallidus
54
What is the internal capsule made up of?
Myelinated axons (white matter)
55
What is the name given to fibres that connect cerebral hemispheres to other parts of the brain, such as through the internal capsule?
projection fibres
56
What are the structural parts internal capsule?
Anterior limb, genu and posterior limb
57
Which cerebral artery through one of its branches supplies the internal capsule?
Middle cerebral artery
58
What is A?
Superior colliculus
59
What is B?
Periaquaductal grey matter
60
What is C?
Oculomotor nucleus
61
What is D?
Medial lemniscus
62
What is E?
Red nucleus
63
What is F?
Substantia nigra
64
What is G?
Corticospinal fibres
65
What is H?
Cerebral peduncle
66
What is I?
Reticular formation
67
What is J?
Cerebral aquaduct
68
What group of structures is the substantia nigra apart of?
Basal ganglia
69
Where would the red nucleus be in relation to the substantia nigra?
Posterior to it
70
What fibres does the cerebral peduncle contain?
Ascending sensory and descending motor fibres
71
What part of the brain does this show?
Pons
72
What is A?
Middle cerebellar peduncle
73
What is B?
Medial lemniscus
74
What is C?
Transverse pontine fibres
75
What is D?
Deep pontine nucleus
76
What is E?
Corticobulbar and corticospinal tracts
77
What is F?
Sensory and motor nucleus of CN V
78
What is G?
IV ventricle
79
What is H?
Superior cerebellar peduncle
80
What is I?
Cavity of IV ventricle
81
What is J?
Superior cerebellar peduncle
82
What is K?
Main sensory nucleus of CN V
83
What is L?
Motor nucleus of CN V
84
What is M?
Middle cerebellar peduncle
85
What is N?
Medial lemniscus
86
What is O?
Pontine nucleus
87
What is P?
Bundles of corticospinal and corticonuclear fibres
88
What is the medial lemniscus?
Large ascending bundle of heavily myelinated axons that decussate in the brainstem, specifically in the medulla oblongata
89
What are the pontine nuclei?
Nuclei of the pons involved in motor activity
90
What forms the medial lemniscus?
Gracile nucleus (medial) - carries sensory information from lower half of body
Cuneate nucleus (lateral) - carries sensory information from upper half of body
both found in junction between medulla and spinal cord
91
What does this section show?
Medulla
92
What is A?
Nucleus gracilis
93
What is B?
Fasciculus gracilis
94
What is C?
Fasciculus cuneatus
95
What is D?
Spinal tract (CN V)
96
What is E?
Spinal nucleus (CN V)
97
What is F?
Posterior spinocerebellar tract
98
What is G?
Anterior spinocerebellar tract
99
What is H?
Decussation of pyramids
100
What is I?
Spinothalamic tracts
101
What is J?
Nucleus cuteatus
102
What is K?
Medial longitutinal fasciculus
103
What is L?
Spinal tract (CN V)
104
What is M?
Spinal nucleus (CN V)
105
What is N?
Fibres of CN X
106
What is O?
Nucleus ambiguus
107
What is P?
Posterior spinocerebellar tract
108
What is Q?
Anterior spinocerebellar tract
109
What is R?
Deccusation of medial lemniscus
110
What is S?
Pyramid
111
What is T?
Inferior olivary nucleus
112
What is U?
Spinothalamic tracts
113
What is V?
Reticular formation
114
What is W?
Central canal
115
What is X?
Accessory cuneate nucleus
116
What is Y?
Nucleus cuneatus
117
What is Z?
Nucleus gracilis
118
What fibres make up the elevations of the pyramids and olives?
Pyramids - corticospinal and corticobulbar tracts
Olives - contains inferior olivary nucleus
119
What are the 3 main coronal sections of the brain you need to be aware of?
Anterior - coronal plane passes just anterior to optic chiasma
Middle - coronal plane passes just posterior to optic chiasma
Posterior - coronal plane passes through plenium (posterior part) of corpus callosum
120
What is A?
Cingulate gyrus
121
What is B?
Body of fornix
122
What is C?
Central part of lateral ventricle
123
What is D?
Body of caudate nucleus
124
What is E?
Third ventricle
125
What is F?
Lenticular nucleus
126
What is G?
Insular lobe
127
What is H?
External capsule
128
What is I?
Globus pallidus
129
What is J?
Tail of the caudate nucleus
130
What is K?
Optic tract
131
What is L?
Hippocampus
132
What is M?
Substantia nigra
133
What is N?
Mammillary bodies
134
What is O?
Subthalamic nucleus
135
What is P?
Temporal horn of the lateral ventricle
136
What is Q?
Globus pallidus internal segment
137
What is R?
Claustrum
138
What is S?
Putamen
139
What is T?
Extreme capsule
140
What is U?
Internal capsule
141
What is V?
Thalamus
142
What is W?
Thalamus
143
What is X?
Choroid plexus
144
What is Y?
Body of corpus collosum
145
What part of the spinal column is this?
Cervical
146
What part of the spinal column is this?
Thoracic
147
What part of the spinal column is this?
Lumbar
148
What part of the spinal column is this?
Sacral
149
How do you identify where from the spinal column a section comes from?
Cervical - thin and pointy
Thoracic - thin and pointy, smaller than cervical
Lumbar - thick
Sacral - thickest, more geometric than lumbar
150
What aspect of the spinal cord receives sensory nerve fibres?
Dorsal route ganglion
151
From which aspect of the spinal cord do motor nerve fibres project?
Ventral
152
Why does the size of the ventral grey horn vary along the spinal cord (most notibly the cervical and lumbar regions)?
Due to brachial and lumbosacral plexus
153
What is the name given to the hole in the middle of the spinal cord and what does it contain?
Central canal, contains CSF
