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yr2 Control + Movement > 3 (C) Thalamus + CN > Flashcards

3 (C) Thalamus + CN Flashcards

(109 cards)

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1
Q

Lamina Terminalis role

A

Becomes corpus callosum from telecephalon

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2
Q

Subthalamus is a part of what and is involved with?

A

Basal Ganglia + Motor control

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3
Q

The epithalamus includes what key structure involved in secreating melatonin

A

Pineal Gland

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4
Q

The interthalamic adhesion is found where

What other key structure is found there

A

Between both thalami

3rd ventricle

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5
Q

The thalamus process all but what sense?

A

Olfactory

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6
Q

The anterior Nuclear Group of the thalamus projects to where?

A

Cingulate Cortex

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7
Q

`The lateral nuclear group of the thalamus projects to where? (4)

A

Premotor cortex

Primary Motor cortex

Somatosensory cortex

Visual + Auditory cortex

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8
Q

The medial nuclear group projects where

A

Prefrontal cortex

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9
Q

Corpus Striatum is a collective term for what key structures

A

Lentiform nucleus

Caudate nucleus

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10
Q

The lentiform nucleus consists of what 2 structures

A

Putamen

Globus Pallidus (little nucleus bit)

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11
Q

The caudate nucleus forms what of the lateral horn

A

Caudate nucleus forms roof of inferior horn of lateral ventricle

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12
Q

Corpus striatum is involved with what?

A

Basal ganglia –> Motor control

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13
Q

What 3 structures are involved in the limbic system

A

Hippocampus // Fornyx // Amygdala

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14
Q

What is the role of the forynx?

A

Efferent fibres from hippocampus to hypothalamus

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15
Q

The hippocampus forms what in relation to the lateral ventricle

A

Floor

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16
Q

Association fibres do what?

A

Interconnect within a hemisphere // adjacent gyri

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17
Q

Commissural fibres do what?

A

connect both hemispheres together –> Corpus Callosum

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18
Q

Projection fibres do what?

Name 2 structures involved

A

Connect cerebrum with rest of CNS

  • -> Corona Radiata
  • -> Internal Capsule
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19
Q

What is the brainstem split into (3 sections)

–> NOT PONS / MEDULLA ETC

A

Tectum

Tegmentum

Basal Areas

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20
Q

What 4 key structures are found in the Tegmentum

A

Red nucleus // Substantia Nigra // Reticular Formation // CN Nuclei

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21
Q

Superior + Inferior Colliculi can be found in what section of the brain stem?

A

Tectum

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22
Q

Gracile tubercle are the dorsal what?

A

Pyramids

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23
Q

Cuneate Tubercle are the dorsal what?

A

Olives

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24
Q

What is the obex?

A

where 4th ventricle becomes central canal

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25
the 2 pyramids in the ventral brainstem contain what?
Descending motor pathways
26
What CN is found in the anterolateral sulcus?
Hypoglossal (12)
27
What CN's are found in the posterolateral sulcus?
Glossopharyngeal (9) // Vagus (10) // Accessory (11) 9 / 10 / 11
28
What three key junctions are found at the pons
Pontomedullary junction Ponto-mesencephalic Cerebellopontine Angle
29
What CN emerge from the pontomedullary junction?
6
30
what CN emerge from the ponto-mesencephalic?
3 / 4 / 5
31
what is the cerebellopontine angle
Pons Cerebellum
32
The superior peduncles connect what?
Midbrain -> Cerebellum
33
The inferior peduncles connect what?
Medulla Obla. --> Cerebellum
34
The medial peduncles connect what?
Pons --> Cerebellum
35
Where is the interpedicular fossa found at? What emerges from this?
Anterior Midbrain Oculomotor nerve (3)
36
Superior Colliculi are associated with what in the brainstem?
visual Pathway
37
Inferior Colliculi are associated with what in the brainstem?
Auditory pathway
38
Which cranial nerve emerges from the dorsal surface of the midbrain (only CN)?
Trochlear Nerve (4)
39
Sensory nuclei are found in what part of the brainstem?
Laterally
40
Motor nuclei are found in what part of the brainstem?
Medially --> M for medial
41
What key structure does the olfactory bulb attach to from the olfactory tube which includes the foramina?
Cribriform plate
42
CN1 is an extension of what?
Telencephalon
43
CN1 is derived from what which makes it part of CNS?
Forebrain
44
Visual information from CN2 go to what after the optic chiasma?
Thalamus
45
CN 2 is an extension of what?
Diencephalon
46
What foramina does the optic nerve go through?
Optic Canal
47
Where does the CN3 emerge from?
Pontomesencephalic Junction
48
What somatic function does the CN3 have?
Occulomotor muscles
49
What visceral function does the CN3 have?
PNS of ciliary + Sphincter muscle (constrict eyelids)
50
What foramina does CN3 go through in the skull?
Superior Oblique Foramen (SOF)
51
CN4 innervates what muscle?
Superior Oblique (SO4)
52
CN4 passes through what foramina?
SOF
53
CN6 (abducens) emerges from where?
Pontomedullary Junction
54
CN6 innervates what muscle?
LR6
55
CN6 goes through what foramina?
SOF
56
Which trigeminal branch goes through the superior oblique foramen?
V1 3 / 4 / V1 / 6
57
Closing eyes is done with what muscle and is innervated by what?
Orbicularis Oculi Facial Nerve (7)
58
Opening eyes is done with what muscle and is innervated by what?
Levator Palpebrae Superioris Occulomotor (3)
59
V2 of CN 5 goes through what foraman?
Foramen Rotundum | 2 rotors found on a helicopter
60
Foramen Ovale houses what CN?
CN5 V3
61
Corneal flex test is used on what CN?
CN5 V1
62
V1 + V2 have only what?
Somatic sensation on face
63
Anterior 2/3 of tongue is supplied by what for somatic sensation?
V3 CN5
64
What specific nerve that derives from V3 supplies the 2/3 of tongue?
Lingual Nerve
65
Which belly of digastric muscle does V3 support?
Anterior | post = facial
66
Facial Nerve (7) emerges from what?
Cerebellopontine angle
67
What foramen (2) does the facial nerve enter and exit from?
Internal Acoustic meatus (enter) stylomastoid foramen (Exits)
68
Does the skin of ear innervated by the facial nerve?
Yes
69
What specific nerve from the facial nerve innervates 2/3 anterior tongue that involves taste?
Chorda Tympani
70
What nucleus is involved in lacrimation for eyes and nose that derives from the facial nerve?
Pterygo-palatine nucleus
71
What 2 nuclei are involved in the salivation of the mouth that derive from the facial nerve?
Submandibular + Sublingual
72
CN8 (vestibulocochlear) emerges from what?
cerebellopontine angle --> 7 / 8
73
What 2 nerves come from the cerebellopontine angle?
CN7 + CN8
74
What foramina does CN8 go through?
Internal acoustic meatus (IAM)
75
The glossopharyngeal (9) innervates how much of the tongue for taste? Whats the other part done by?
Posterior 1/3 = CN9 2/3 = Chorda Tympani (CN7)
76
What nucleus is present for the parotid gland? What nerve innervates this?
Otic Nucleus CN9 Post ganglionic -> V3
77
Which nerve is involved with detecting O2 + BP from carotid bodies
CN9
78
is the epiglottis have innervation from the vagus?
Yes
79
The accessory nerve can be found in what anatomical triangle
Posterior triangle
80
What nerves pass through the jugular foramen?
9 / 10 / 11
81
Where does CN12 go through foramen
Hypoglossal Canal (HC) Special kid with its own foramen
82
Where does CN12 go to innervate
Muscle of tongue
83
Side of deviation indicates what? (tongue)
Same side paralysis on tongue
84
How does CN12 innervate the tongue
Protrudes tongue out
85
Angle between Midbrain + Diencephalon is called what?
cephalic fixture (100*)
86
Pre central gyri function
Primary motor cortex
87
Post central gyri function
Primary somatosensory
88
Name of dural septum that separates two cerebral hemispheres
Falx cerebri
89
Dural septum that seperates occipital lobes of hemispheres + cerebellum
Tentorium cerebelli
90
Epidural Haemorrhage is caused by tear in what?
Meningeal Artery
91
Subdural haemorrhage is caused by what?
Torn bridging vein
92
Subarachnoid haemorrhage is caused by what?
Torn cerebral artery
93
The opthalmic artery stems from what?
Internal carotid artery
94
Draw out the full circle of willis Incl: - ->Ant spinal artery - -> Post inferior cerebellar artery - -> Ant. inf. cerebellar artery - -> Sup.ceerebellar artery - -> Opthalmic artery
good luck
95
Striate arteries supply what?
deep structures - -> basal ganglia - -> Internal capsule
96
Deep veins --> _____ --> _______ --> ______ --> Conf.
DV -> Internal Cerebral V. -> Galen Vein -> Straight Sinus
97
Sigmoid sinus is found after what?
Confluence --> Transverse --> Sigmoid --> Internal Jug.
98
Berry aneurysm is common where?
Anterior communication artery
99
What is the highest cause of comatosing patients *CL
Metabolic cause
100
Locked in Syndrome is what? *CL
aware + awake + able to breath Cant move // Speak
101
Locked in syndrome is caused by damage to what? *CL
Ventral Pons
102
A vegetative state is caused by destruction of what? *CL
Cortex + hemispheres
103
hypoglossal canal is located in which bone?
Occipital
104
occlusion of the basillar artery would lead to what?
lack of movement coordination
105
lentiform nucleus is directly supplied by what
middle cerebral artery
106
draw out corpus callosum
good luck
107
tectum is primary found where?
Midbrain
108
if descending motor tracts are damaged, what area of the brainstem do you suspect is damaged?
Basal Area
109
General association cortex is responsible for:
integrating different types of information

yr2 Control + Movement (24 decks)

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