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MRCS B > Head Anatomy > Flashcards

Head Anatomy Flashcards

(76 cards)

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1
Q

Contents of Foramen Ovale

A 
Otic Ganglion
V3
Accessory Meningeal Artery
Lesser Petrosal Nerve
Emissary Veins

‘OVALE’

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2
Q

Contents of Foramen Spinosum

A

Middle Meningeal Artery

Meningeal Branch of Mandibular Nerve

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3
Q

Contents of Foramen Rotundum

A

Maxillary Nerve (V2)

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4
Q

Contents of Foramen Lacerum

A

ICA

Nerve/Artery of Pterygoid canal

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5
Q

Contents of Jugular Foramen

A

Ant: Inferior Petrosal Sinus
Mid: Glossopharyngeal, Vagua + Accessory nerves
Post: Sigmoid Sinus

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6
Q

Contents of Foramen Magnum

A

Ant + Post spinal arteries
Vertebral arteries
Medulla Oblongata

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7
Q

Contents of Stylomastoid Foramen

A

Stylomastoid Artery

Facial Nerve

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8
Q

Contents of Superior Orbital Fissure

A 
Oculomotor
Trochlear
Lacrimal, frontal + nasociliary branches of ophthalmic nerve
Abducens
Sup + Inf Opthalmic Vein
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9
Q

CN I - Name + Exit Point

A

Ophthalmic

Cribiform Plate

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10
Q

CN II - Name + Exit Point

A

Optic

Optic Canal

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11
Q

CN III - Name + Exit Point

A

Oculomotor

Superior Orbital Fissure

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12
Q

CN IV - Name + Exit Point

A

Trochlear

Superior Orbital Fissure

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13
Q

CN V - Name + Exit Point

A 
Trigeminal
'Standing Room Only'
V1 - Sup Orbital Fissure
V2 - Foramen Rotundum
V3 - Foramen Ovale
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14
Q

CN VI - Name + Exit Point

A

Abducens

Superior Orbital Fissure

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15
Q

CN VII - Name + Exit Point

A

Facial Nerve

Auditory Canal -> Foramen Spinosum

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16
Q

CN VIII - Name + Exit Point

A

Vestibulocochlear

Auditory Canal

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17
Q

CN IX - Name + Exit Point

A

Glossopharyngeal

Jugular Foramen

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18
Q

CN X - Name + Exit Point

A

Vagus

Jugular Foramen

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19
Q

CN XI - Name + Exit Point

A

Accessory

Jugular Foramen

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20
Q

CN XII - Name + Exit Point

A

Hypoglossal

Hypoglossal Canal

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21
Q

Innervation of trigeminal nerve

A

Sensory - Face
Motor - Masseter, Temporalis, Med + Lat Pterygoid
Autonomic - Ciliary, Sphenopalatine (lacrimal), Otic (Parotid), Submand Gland

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22
Q

Innervation of Facial Nerve

A

Sensory - Taste from ant 2/3 tongue (via Chorda Tympani)
Motor - Muscles of facial expression
Autonomic - Parasymp to sublingual and submandib

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23
Q

Innervation Glossopharyngeal Nerve

A

Sensory - Tonsils, pharynx, middle ear, post 1/3 tongue

Motor - Stylopharyngeus

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24
Q

Innervation hypoglossal nerve

A

Motor - All muscles of tongue

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25
Innervation of accessory nerve
Motor - Sternocleidomastoid, Trapezius
26
Sensation of Tongue
``` Anterior 2/3 - Taste: Chorda tympani branch of facial Sensation: Lingual branch of V3 Posterior 1/3 - Taste + Sensation: Glossopharyngeal ```
27
Ciliary Ganglion
Parasympathetic Found in posterior orbit Innervates sphincter pupillae + Cillaris
28
Submandibular Ganglion
Parasympathetic Found above submandibular gland, suspended from lingual nerve Important fibres: External carotid plexus, Submandibular and Sublingual fibres
29
Otic Ganglion
Found below foramen ovale | Innervates parotid gland
30
Inpouchings of Dura
Falx + Tentorium
31
Contents of Flax
Superior sagital sinus
32
Layers of meninges
Pia, Arachnoid, Dura
33
Folds of cerebrum
Outward: Gyrus Inward: Sulcus
34
Cisterns
Areas where subarachnoid space is anatomically large
35
Structure of caudal spinal cord
Midbrain, Pons, Medulla
36
Floor of fourth ventricle
Back of medulla
37
Nerves from medulla
9 - 12
38
Nerves from pons
5, 6, 7, 8
39
Location of superior and inferior colliculi + pons
Posterior midbrain
40
Mid-brain divides into
Cerebral Peduncles
41
Geniculate bodies
Produce Optic Tract
42
Lobes of cerebellum
Anterior, Posterior, Vermis
43
Source of cerebellar peduncles
Midbrain, Pons, Medulla
44
Roof of fourth ventricle
Cerebellum
45
Corpus callosum
Connects two cerebral hemispheres
46
Uncus
Tip of temporal lobe
47
Horns of lateral ventricle
Anterior, Posterior, Inferior (+ Body)
48
Choroid Plexus
Produces CSF
49
Cerebral Aqueduct
Joins 3rd + 4th Ventricles
50
4th ventricle openings
Medial and lateral
51
Optic Nerve Connections
Optic Nerve -> Chiasm -> Tract -> Lateral geniculate Nucleus -> Radiation -> Visual Cortex
52
Origin Oculomotor Nerves
III - Between cerebral peduncles IV - Posterior Midbrain VI - Below Pons
53
Muscles of the eye
Superior / Inferior Rectus Medial / Lateral Rectus Superior / Inferior Oblique
54
Branches of Trigeminal Nerve
Opthalmic Maxillary Mandibular
55
Origin of Trigeminal Nerve
Originates from anterior pons. Passess foward into trigeminal cave (Lateral to sella tursica). Divides into three branches within trigeminal cave
56
Branches of opthalmic nerve
Frontal, Lacrimal, Nasociliary
57
Pterygomaxillary Fissure
Between lateral pterygoid plate and maxilla, continuous with inferior obital fissure. Maxillary nerve emerges deep in pterygomaxillary fissure
58
Mandibular Nerve Exit From Skull
Foramen Ovale, Behind lateral pterygoid plate
59
Branches of Maxilalry Nerve
Infra-orbital nerve, Superior Alveolar Nerve, Palatine, Naso-palatine, Zygomatic
60
Branches of mandibular nerve
Motor to muscles of mastication, buccal, auriculotrmporal, Inferior Alveolar Nerve, Lingual Nerve
61
Lingual Nerve - Taste Sensation
Lingual nerve carries teste sensation from ant. 2/3 of tongue, then passess them on to chorda typani in pterygomaxillary fissure
62
Facial nerve exit from skull
Internal auditory meatus -> Facial canal (passing high in tympanic cavity) -> Stylomastoid Foramen
63
Branches of facial nerve within facial canal
Greater petrosal nerve, Neve to stapedius, Chorda Tympani
64
Path of Chorda Tympani
Passess upwards on inside of tympanic membrane
65
Branches of Facial Nerve
Temporal, Zygomatic, Buccal, Mandibular, Cervical + Post. Belly Digastric + Stylohyoid
66
Path of rucurrent laryngeal
R: Around Subclavian L: Around Arch of Aorta
67
Branches of subclavian
Internal thoracic, Thyrocervical Trunk, Vertebral Artery
68
Level of Division of Common Cartoid
Angle of Mandible
69
Branches of ICA
Opthalmic Artery, Ant Cerebra, Post. Communicating, Middle Cerebral
70
Inferior Cerebellar Arteries - Source
Vertebral Arteries
71
Superio Cerebellar Arteries - Source
Basilar Artery
72
Relationship of posterior cerebral artery to oculomotor
Posterior cerebral curves round oculomotor nerve
73
Contents of cavernous sinus
Lateral Wall: CN III, IV, VI, ICA, Trigeminal Ganglion
74
Exits of cavernous sinus
Inferior and Superior Petrosal Sinus
75
Branches ECA
Superior Thyroid Artery, Ascending Pharyngeal, Lingual Artery, Facial Artery, Occipital Artery, Posterior Auricular Artery, Maxillary, Superficial Temporal
76
Middle meningeal artery
Branch of Maxillary artery, passess through foramen spinosum

MRCS B (7 decks)

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