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GSSE Anatomy > Head and neck > Flashcards

Head and neck Flashcards

1
Q

What is the superior border of the anterior triangle of the neck?

A

The inferior border of the mandible

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2
Q

What is the medial border of the anterior triangle of the neck?

A

The midline

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3
Q

What is the lateral border of the anterior triangle of the neck?

A

The anterior border of sternocleidomastoid

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4
Q

What are the contents of the anterior triangle?

A

Hyoid bone, supra and infra hyoid muscles, thyroid, larynx, trachea, parathyroid glands, common carotid and branches, internal jugular, vagus and recurrent laryngeal nerves.

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5
Q

What is the anterior border of the posterior triangle of the neck?

A

The inferior border of the strenocleidomastoid

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6
Q

What is the inferior border of the posterior triangle of the neck?

A

The middle third of the clavicle

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7
Q

What is the posterior border of the posterior triangle of the neck?

A

The anterior margin of trapezius

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8
Q

What is the apex of the posterior triangle of the neck?

A

The occipital bone (just behind the mastoid process)

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9
Q

What does the posterior triangle of the neck contain?

A

The levator scapulae, the scalene muscles, subclavian vein and artery, external jugular and vertebral veins, brachial plexus, accessory nerve

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10
Q

what are the 4 infrahyoid muscles?

A

sternohyoid, omohyoid, thyrohyoid and sternothyroid muscles

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11
Q

What is the superior border of the infratemporal fossa?

A

inferior surface of the greater wing of the sphenoid and temporal bone

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12
Q

What is the inferior border of the infratemporal fossa?

A

medial pterygoid muscle

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13
Q

What is the anterior border of the infratemporal fossa?

A

The posterior surface of the maxilla

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14
Q

What is the lateral border of the infratemporal fossa?

A

The medial border of the mandible

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15
Q

What is the medial border of the infratemporal fossa?

A

The lateral plate of the pterygoid process laterally and the pharynx and muscle of the soft palate

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16
Q

What is the posterior border of the infratemporal fossa?

A

The upper part of the carotid sheath and the styloid and condylar processes

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17
Q

Where is the sphenoethmoidal recess found?

A

Above the superior concha

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18
Q

What passes through the anterior compartment of the jugular foramen?

A

The inferior petrosal sinus

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19
Q

What passes through the intermediate compartment of the jugular foramen?

A

The glosspharyngeal IX, Vagus X and accessory nerves XI

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20
Q

What passes through the posterior compartment of the jugular foramen?

A

he posterior transmits the sigmoid sinus, which joins with the inferior petrosal to form the jugular vein within the foramen.

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21
Q

What passes through the foramen ovale? (4)

A

Mandibular nerve

Motor root of trigeminal nerve

Accessory meningeal artery

Lesser petrosal nerve

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22
Q

What does the inferior division of the oculomotor nerve supply?

A

The inferior and medial oblique and the inferior oblique

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23
Q

What is the action of the inferior rectus?

A

Depresses the globe

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24
Q

What is the action of the medial rectus?

A

Adducts the globe

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25
Q

What is the action of the inferior oblique?

A

Extorts and elevates the globe

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26
Q

Where is the nucleus of the vestibulococchlear nerve found?

A

The vestibulocochlear nuclei lie in the junction between the pons and medulla below the floor of the lateral angle of the fourth ventricle.

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27
Q

Which nerve supplies the inner mucosal membrane of the tympanic membrane?

A

Glossopharyngeal nerve

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28
Q

What is the nerve supply of the outer mental surface of the tympanic membrane?

A

the auriculotemporal, supplemented by the facial and vagus nerves

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29
Q

Bitemporal haemianopia is consistent with a lesion of which part of the optic tract?

A

The optic chiasm

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30
Q

Homonymous hemianopia is consistent with a lesion of which part of the optic tract?

A

The optic tract

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31
Q

Homonymous quadrantanopia is consistent with a lesion of which part of the optic tract?

A

The optic radiation

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32
Q

Macular sparing hemianopia is consistent with a lesion where?

A

Anterior visual cortex lesion

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33
Q

Hemianopia with peripheral sparing is consistent with a lesion where?

A

Posterior visual cortex

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34
Q

Which nerve supplies stylopharyngeus?

A

Glossopharyngeal IX

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35
Q

Which of the pharynx muscles is not supplied by the Vagus nerve (X)?

A

The stylopharyngeus

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36
Q

The pterion is a junction of which skull bones?

A

The frontal, sphenoid, temporal and parietal

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37
Q

Which is the only nerve to emerge from the pons?

A

The trigeminal

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38
Q

Which nerves emerge from the pontomedullary junction?

A

The abducens (VI), facial (VII) and vestibulococchlear (VIII)

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39
Q

Which laryngeal muscle does the superior laryngeal nerve supply?

A

The cricothyroid

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40
Q

What are the contents of the infratemporal fossa?

A

sphenomandibular ligament, temporalis, medial and lateral pterygoid muscles, the maxillary artery and pterygoid venous plexus, the mandibular nerve, branches of the facial nerve, the glossopharyngeal nerve and the otic ganglion

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41
Q

The nasopharynx has sensory supply from which cranial nerve?

A

The maxillary branch of the trigeminal nerve (V2)

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42
Q

Which nerves pass through the tendinous ring in the superior orbital fissure?

A

optic, oculomotor, abducent and nasociliary

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43
Q

Which nerves pass through the superior orbital fissure but outside the tendinous ring?

A

lacrimal, frontal and trochlear nerves

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44
Q

What are the contents of the submental triangle of the neck?

A

Anterior jugular vein, lymph nodes

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45
Q

What are the boundaries of the submental triangle of the neck?

A

Anterior belly of digastric, body of hyoid bone, midline

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46
Q

What are the boundaries of the digastric triangle?

A

Mandible, anterior and posterior bellies of digastric

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47
Q

What are the contents of the digastric triangle?

A

Submandibular gland and lymph nodes, submental and mylohyoid vessels, hypoglossal and mylohyoid nerves

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48
Q

What are the boundaries of the muscular triangle of the neck?

A

Sternocleidomastoid, superior belly of omohyoid, midline from hyoid bone to jugular notch

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49
Q

What are the contents of the muscular triangle of the neck?

A

Part of larynx and thyoroid gland; lymph nodes

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50
Q

What are the contents of the posterior triangle of the neck?

A

Occipital. transverse cervical, suprascapular and subclavian arteries; transverse cervical, suprascapular and external jugular veins; cervical plexus branches and brachial plexus trunks; omohyoid; lymph nodes

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51
Q

What are the boundaries of the carotid triangle of the neck?

A

Sternocleidomastoid, posterior belly of digastric, superior belly of omohyoid

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52
Q

What are the contents of the carotid triangle of the neck?

A

bifurcation of common carotid artery and branches of external carotid (except posterior auricular); hypoglossal, internal and external laryngeal nerves; lymph nodes.

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53
Q

Which nerve travels through the cavernous sinus?

A

Abducens nerve (VI)

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54
Q

Which nerves travel in the lateral wall of the cavernous sinus?

A

ophtalmic, trochlear, oculomotor and maxillary

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55
Q

Which cranial nerves emerge from the mesencephalon (midbrain)?

A

III and IV

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56
Q

What is the only nerve to emerge from the posterior midbrain?

A

The trochlear (IV)

57
Q

Where would the CN III be compressed in a case of raised ICP?

A

Petrous temporal bone

58
Q

Which nerve emerges between the pons and the olive?

A

CN VII facial nerve

59
Q

Which nerves emerge lateral to the olive?

A

The glossopharyngeal (IX), vagus (X) and accessory (XI)

60
Q

Which nerve emerges from between the pyramid and the olive?

A

The hypoglossal (XII)

61
Q

Which three structures lie deep to hyoglossus?

A

glossopharyngeal nerve, lingual artery, stylohyoid ligament

62
Q

Which three structures lie superficial to hyoglossus?

A

hypoglossal nerve, lingual nerve, submandibular duct

63
Q

What are the layers of the scalp?

A 
Skin
Connective Tissue
Aponeurosis
Loose connective tissue
Pericranium
64
Q

What is the danger area of the scalp?

A

The fourth layer (loose connective tissue) emissary veins that go into the cranial cavity can track infection down into the cranium

65
Q

What is the cutaneous innervation of the posterior scalp?

A

The greater and lesser occipital nerves

66
Q

What is the cutaneous innervation of the anterior scalp?

A

Supraorbital and supratrochlear nerves

67
Q

What is the cutaneous innervation of the lateral scalp?

A

The auriculotemporal nerve (CNV3) and the zygomaticotemporal nerve (CNV2)

68
Q

What is the arterial supply of the scalp?

A

Branches from the internal and external carotid arteries-
External- occipital, posterior auricular and superficial temporal artery
Internal- supraorbital and supratrochlear arteries

69
Q

What does the optic canal contain?

A

Optic nerve (CNII) and ophthalmic artery (from internal carotid, supplies orbit)

70
Q

What goes through the superior orbital fissure?

A 
Live Frankly To See Absolutely No Insult
Lacrimal nerve
Frontal nerve
Trochlear nerve
Superior division of oculomotor nerve
Abducens nerve
Nasociliary nerve
Inferior division of oculomotor nerve
71
Q

What goes through the inferior orbital fissure?

A

Inferior ophthalmic vein, CNV2 (infra orbital nerve), infra orbital artery and vein

72
Q

What goes through the infraorbital foramen?

A

Inferior orbital nerve and artery

73
Q

What goes through the mental foramen?

A

The mental nerve (CNV3)

74
Q

Why is the pterion clinically significant?

A

The middle meningeal artery is directly under it. This can cause epidural haematoma

75
Q

Where is the origin of the masseter?

A

The zygomatic arch

76
Q

What goes through the cribriform foramem?

A

The branches of the olfactory nerve that then go on to synapse in the olfactory nerve in the cranium directly above

77
Q

What is the importance of the crista galli?

A

Attachment of the flax cerebri

78
Q

What goes through the foramen spinosum?

A

The middle meningeal artery that goes on to supply the dura mater

79
Q

What goes through the foramen magnum?

A

The spinal cord and the vertebral arteries

80
Q

What goes through the incisive foramen?

A

The incisive nerve and artery that supply the anterior part of the hard palate

81
Q

What goes through the incisive foramen?

A

The incisive nerve and artery that supply the anterior part of the hard palate

82
Q

Which pharyngeal arch do the muscles of mastication come from?

A

From the first pharyngeal arch

83
Q

Which nerve supplies all the muscles of mastication?

A

Mandibular division of the trigeminal nerve (V3)

84
Q

What is the origin of the lateral pterygoid muscle?

A

Upper: infratemporal surface of sphenoid
Lower: lateral surface of lateral pterygoid plate

85
Q

What is the insertion of the lateral pterygoid?

A

Pterygoid fossa below the head of mandible, disc and capsule of TMJ

86
Q

What is the action of the lateral pterygoid?

A

Protrudes jaw and opens mouth

87
Q

What is the origin of the medial pterygoid?

A

Deep: medial side of lateral pterygoid plate and the fossa between the plates
Superficial: smaller. Tuberosity of maxilla and pyramidal process of palatine

88
Q

What is the insertion of the medial pterygoid?

A

The ramus of the mandible

89
Q

What is the action of the medial pterygoid?

A

Pulls mandible up, forwards and medial (ie closes mouth and chews)

90
Q

What do the pterygoid muscles contain?

A

They contain venous plexus that connect with veins both inside (cavernous sinus) and outside the skull (facial veins)

91
Q

All of the muscles of the pharynx bar one are supplied by..?

A

Pharyngeal plexus (IX, X and sympathetic)

92
Q

Which muscle of the pharynx is not supplied by the pharyngeal plexus?

A

Stylopharyngeus

93
Q

All of the muscles of the palate bar one are supplied by….?

A

Pharyngeal plexus (IX, X and sympathetic)

94
Q

Which muscle of the palate is not supplied by the pharyngeal plexus?

A

Tensor veli palatini

95
Q

Which nerve supplies tensor veli palatini?

A

Nerve to medial pterygoid (V3)

96
Q

All muscles bar one of the tongue are supplied by…?

A

Hypoglossal (CNXII)

97
Q

Which muscle of the tongue is not supplied by the hypoglossal?

A

Palatoglossus

98
Q

Which nerve supplies palatoglossus?

A

Pharyngeal plexus (IX, X and sympathetic)

99
Q

All of the facial muscles + buccinator bar one are supplied by..?

A

Facial (CNVII)

100
Q

Which of the facial muscles + buccinator is not supplied by the facial nerve?

A

Levator palpebrae superioris

101
Q

Which nerve supplies levator palpebrae superioris?

A

Occulomotor (III)

102
Q

All of the muscles of mastication bar one are supplied by ….?

A

Mandibular division of the trigeminal nerve (V3)

103
Q

Which of the muscles of mastication is not supplied by the mandibular division of the trigeminal nerve?

A

Buccinator

104
Q

Which nerve supplies the buccinator?

A

The facial nerve (VII)

105
Q

All the nerves of the larynx bar one are supplied by…?

A

The recurrent laryngeal nerve

106
Q

Which nerve of the larynx is not supplied by the recurrent laryngeal nerve?

A

Cricothyroid

107
Q

What passes through the greater palatine foramen?

A

Greater palatine nerve and artery that supply the hard palate

108
Q

What passes through the lesser palatine foramen?

A

The lesser palatine nerve that supplies the soft palate

109
Q

What passes through the petrotympanic fissure?

A

The chorda tympani nerve

110
Q

What does the chorda tympani nerve supply?

A

Taste to anterior part of tongue, parasympathetics to submandibular and sublingual salivary glands

111
Q

How many layers does the dura mater have?

A

2, the periosteal and meningeal layer. Mostly fused, but do split in some locations

112
Q

What is different about the venous sinuses in the brain compared with normal veins?

A

No tunica media, no valves

113
Q

What drains into the dural venous sinus?

A

Emissary veins (drain outer layers of scalp) and cerebral veins (drain brain)

114
Q

What passes through the cavernous sinus?

A

The ICA and CN VI

115
Q

What does the cavernous sinus communicate with?

A

The pterygoid venous plexus and the facial vein

116
Q

What passes through the lateral wall of the cavernous sinus?

A

CN III, CN IV, CN V-1, CN V-2

117
Q

What is the course of the middle meningeal artery?

A

It arises from the maxillary artery, traverses the foramen spinosum, courses on the inner surface of the pterion and supplies the dura mater

118
Q

What is special about the arachnoid mater?

A

It has arachnoid granulations that project into the dura mater to drain CSF from the subarachnoid space

119
Q

Where is the subarachnoid space?

A

Between the arachnoid mater and pia mater

120
Q

What does the subarachnoid space contain?

A

CSF and blood vessels

121
Q

What is the pia mater?

A

Innermost layer of meninges, intimately connected wtih grey matter, dives down into the sulci, surrouds blood vessels as they dive down into the vein as far as the capillaries

122
Q

What connects the hyoid bone and the thyroid cartilage?

A

Thyrohyoid membrane

123
Q

What pierces the thyrohyoid membrane?

A

The internal laryngeal nerve and the superior laryngeal vessels

124
Q

What does the internal laryngeal nerve supply?

A

The mucous membranes above the vocal cords

125
Q

What does the external laryngeal nerve supply?

A

The cricothyroid muscle

126
Q

What goes through the stylomastoid foramen?

A

Facial nerve and stylomastoid artery

127
Q

What artery does the stylomastoid artery arise from?

A

The posterior auricular artery

128
Q

What passes into the pharynx above the superior constrictor?

A

The auditory tube and the levator and tensor muscles of the soft palate

129
Q

What enters the pharynx between the superior and middle constrictor?

A

The stylopharyngeus muscle and the glossopharyngeal nerve

130
Q

What enters the pharynx between the middle and inferior constrictor?

A

The internal laryngeal nerve and vessels

131
Q

What enters the pharynx below the inferior constrictor?

A

The recurrent laryngeal nerve and accompanying vessels.

132
Q

What are the branches of the maxillary artery?

DAM I AM Piss Drunk But Stupid Drunk I Prefer, Must Phone Alcoholics Anonymous

A 
Deep Auricular
Anterior tympanic
Inferior alveolar
Middle meningeal
Accessory meningeal
Masseteric
Pterygoid
Deep Temporal
Buccinator
Sphenopalatine
Descending palatine
Infraorbital
Posterior suprerior alveolar
Middle superior alveolar
Pharyngeal
Anterior superior alveolar
Artery of the pterygoid canal
133
Q

What does the mandibular branch of the trigeminal nerve innervate for motor?

A 
My Anus Temporarily Meets the Toilet
Mylohyoid
Anterior belly of digastric
Tensor veli palatini
Masticatory muscles
Tensor tympani
134
Q

What passes through the superior orbital fissure?

A

Lazy French Tarts Sit Naked In Anticipation
- Lacrimal

  • Frontal
  • Trochlear
  • Superior division of oculomotor
  • Nasociliary
  • Inferior division of oculomotor
  • Abducens nerve
135
Q

Branches of external carotid in order? (Some American Ladies Found Our Pyramids Most Satisfactory)

A

Superior thryoid, ascending pharyngeal, lingual, facial, occipital, posterior auricular, maxillary, superficial temporal

136
Q

Branches of superior thyroid artery? (I Shall Squeeze Charlie’s Glutes)

A

Infrahyoid, Superior laryngeal, Sternocleidomastoid, Cricothyroid, Glandular

137
Q

If you got an abscess in the first mandibular molar would it point to the neck?

A

No only true of third mandibular molar

138
Q

What is the main sensory supply to the back of the head?

A

greater occipital nerve

GSSE Anatomy (11 decks)

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