Head Anatomy Flashcards

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
Q

Innervation of accessory nerve

A

Motor - Sternocleidomastoid, Trapezius

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26
Q

Sensation of Tongue

A
Anterior 2/3 - 
  Taste: Chorda tympani branch of facial
  Sensation: Lingual branch of V3
Posterior 1/3 - 
  Taste + Sensation: Glossopharyngeal
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27
Q

Ciliary Ganglion

A

Parasympathetic
Found in posterior orbit
Innervates sphincter pupillae + Cillaris

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28
Q

Submandibular Ganglion

A

Parasympathetic
Found above submandibular gland, suspended from lingual nerve
Important fibres: External carotid plexus, Submandibular and Sublingual fibres

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29
Q

Otic Ganglion

A

Found below foramen ovale

Innervates parotid gland

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30
Q

Inpouchings of Dura

A

Falx + Tentorium

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31
Q

Contents of Flax

A

Superior sagital sinus

32
Q

Layers of meninges

A

Pia, Arachnoid, Dura

33
Q

Folds of cerebrum

A

Outward: Gyrus
Inward: Sulcus

34
Q

Cisterns

A

Areas where subarachnoid space is anatomically large

35
Q

Structure of caudal spinal cord

A

Midbrain, Pons, Medulla

36
Q

Floor of fourth ventricle

A

Back of medulla

37
Q

Nerves from medulla

A

9 - 12

38
Q

Nerves from pons

A

5, 6, 7, 8

39
Q

Location of superior and inferior colliculi + pons

A

Posterior midbrain

40
Q

Mid-brain divides into

A

Cerebral Peduncles

41
Q

Geniculate bodies

A

Produce Optic Tract

42
Q

Lobes of cerebellum

A

Anterior, Posterior, Vermis

43
Q

Source of cerebellar peduncles

A

Midbrain, Pons, Medulla

44
Q

Roof of fourth ventricle

A

Cerebellum

45
Q

Corpus callosum

A

Connects two cerebral hemispheres

46
Q

Uncus

A

Tip of temporal lobe

47
Q

Horns of lateral ventricle

A

Anterior, Posterior, Inferior (+ Body)

48
Q

Choroid Plexus

A

Produces CSF

49
Q

Cerebral Aqueduct

A

Joins 3rd + 4th Ventricles

50
Q

4th ventricle openings

A

Medial and lateral

51
Q

Optic Nerve Connections

A

Optic Nerve -> Chiasm -> Tract -> Lateral geniculate Nucleus -> Radiation -> Visual Cortex

52
Q

Origin Oculomotor Nerves

A

III - Between cerebral peduncles
IV - Posterior Midbrain
VI - Below Pons

53
Q

Muscles of the eye

A

Superior / Inferior Rectus
Medial / Lateral Rectus
Superior / Inferior Oblique

54
Q

Branches of Trigeminal Nerve

A

Opthalmic
Maxillary
Mandibular

55
Q

Origin of Trigeminal Nerve

A

Originates from anterior pons. Passess foward into trigeminal cave (Lateral to sella tursica). Divides into three branches within trigeminal cave

56
Q

Branches of opthalmic nerve

A

Frontal, Lacrimal, Nasociliary

57
Q

Pterygomaxillary Fissure

A

Between lateral pterygoid plate and maxilla, continuous with inferior obital fissure.
Maxillary nerve emerges deep in pterygomaxillary fissure

58
Q

Mandibular Nerve Exit From Skull

A

Foramen Ovale, Behind lateral pterygoid plate

59
Q

Branches of Maxilalry Nerve

A

Infra-orbital nerve, Superior Alveolar Nerve, Palatine, Naso-palatine, Zygomatic

60
Q

Branches of mandibular nerve

A

Motor to muscles of mastication, buccal, auriculotrmporal, Inferior Alveolar Nerve, Lingual Nerve

61
Q

Lingual Nerve - Taste Sensation

A

Lingual nerve carries teste sensation from ant. 2/3 of tongue, then passess them on to chorda typani in pterygomaxillary fissure

62
Q

Facial nerve exit from skull

A

Internal auditory meatus -> Facial canal (passing high in tympanic cavity) -> Stylomastoid Foramen

63
Q

Branches of facial nerve within facial canal

A

Greater petrosal nerve, Neve to stapedius, Chorda Tympani

64
Q

Path of Chorda Tympani

A

Passess upwards on inside of tympanic membrane

65
Q

Branches of Facial Nerve

A

Temporal, Zygomatic, Buccal, Mandibular, Cervical + Post. Belly Digastric + Stylohyoid

66
Q

Path of rucurrent laryngeal

A

R: Around Subclavian
L: Around Arch of Aorta

67
Q

Branches of subclavian

A

Internal thoracic, Thyrocervical Trunk, Vertebral Artery

68
Q

Level of Division of Common Cartoid

A

Angle of Mandible

69
Q

Branches of ICA

A

Opthalmic Artery, Ant Cerebra, Post. Communicating, Middle Cerebral

70
Q

Inferior Cerebellar Arteries - Source

A

Vertebral Arteries

71
Q

Superio Cerebellar Arteries - Source

A

Basilar Artery

72
Q

Relationship of posterior cerebral artery to oculomotor

A

Posterior cerebral curves round oculomotor nerve

73
Q

Contents of cavernous sinus

A

Lateral Wall: CN III, IV, VI, ICA, Trigeminal Ganglion

74
Q

Exits of cavernous sinus

A

Inferior and Superior Petrosal Sinus

75
Q

Branches ECA

A

Superior Thyroid Artery, Ascending Pharyngeal, Lingual Artery, Facial Artery, Occipital Artery, Posterior Auricular Artery, Maxillary, Superficial Temporal

76
Q

Middle meningeal artery

A

Branch of Maxillary artery, passess through foramen spinosum