Head and Neck Mnemonics

Head Mnemonics

Nerves

Cranial Nerves

I-optic, II-olfactory, III-oculomotor, IV-trochlear, V-trigeminal, VI-abducens, VII-facial, VIII-acoustic (vestibulocochlear), IX-glossophrayngeal, X-vagus, XI-spinal accessory, XII-hypoglossal

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You have I nose. You have II eyes. (I – Olfactory; II – Optic)

Motor and Sensory nerves

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Innervation of Extraocularmotor Muscles

LR6 (SO4) 3
LR6–Lateral rectus–> VI abductens
SO4–Superior Oblique–> IV Trochlear
3–The remaining 4 eyeball movers = III

Branches of Facial Nerve after Stylomastoid foramen

From superior to inferior:

Temporal branch
Zygomatic branch
Buccal branch
Mandibular branch
Cervical branch
(Posterior Auricular nerve)

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To Zanzibar By Motor Car

PAssing Through Zanzibar By Motor Car (PA for Posterior Auricular).
Ten Zulus Buggered My Cat (PAinfully)

Cervical Spinal Nerves

C3-4-5 keeps the phrenic alive (innervation of phrenic nerve)
C3-4-5 keep the diaphragm alive (innervation of diaphragm)
C5-6-7 raise your arms to heaven (nerve roots of long thoracic nerve innervate serratus anterior)

V3: sensory branches

Buccal
Auriculotemporal
Inferior alveolar
Lingual

Buccaneers Are Inferior Linguists
BAIL

Lacrimal nerve course

Lacrimal’s story of 8 L’s

Lacrimal nerve runs on Lateral wall of orbit above Lateral rectus, then Lets communicating branch join in, then supplies Lacrimal gland, then Leaves it and supplies Lateral upper eye Lid!

CN VII innervated muscles (branchial arch 2 derivatives)

Facial expression muscles:

Posterior belly of digastric
Stapedius
Stylohyoid

“Imagine someone making the facial expression to say ‘PSS…’

Scalp: nerve supply

Greater occipital/ Greater auricular
Lesser occipital
Auriculotemporal
Supratrochlear
Supraorbital

GLASS

Bones/Spaces

Cranial bones

Parietal Ethmoid Sphenoid Temporal Occipital Frontal

PEST OF 6

Occipital Parietal Frontal Temporal Ethmoid Sphenoid

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Parietal Occipital Frontal Sphenoid Temporal Ethmoid

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Orbit: bones of medial wall

Maxilla (frontal process)
Lacrimal
Ethmoid
Sphenoid (body)

My Little Eye Sits in the orbit

Foramen spinosum

Location on base of skull Foramen spinosum is adjacent to the spine of sphenoid.

Cavernous sinus contents

Occulomotor nerve (III)
Trochlear nerve (IV)
Ophthalmic nerve (V1)
Maxillary nerve (V2)
Carotid artery
Abducent nerve (VI)

O TOM CAT

O TOM are lateral wall components, in order from superior to inferior. CA are the components within the sinus, from medial to lateral. CA ends at the level of T from O TOM.
T: When written, connects to the T of OTOM.

Cartilage derivatives of 1st pharyngeal arch (mandibular)

Incus
Malleus
Anterior ligament of malleus
Spine of sphenoid
Sphenomandibular ligament
Genial tubercle of mandible

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Muscles

Face muscles groups cranial innervation

Mandibular nerve: Mastication.
Facial nerve: Facial expression.

Pterygoid muscles

Function of Lateral vs Medial: Look at how your jaw ends up when saying first syllable of ‘Lateral’ or ‘Medial’:

La”: your jaw is now open, so Lateral pterygoid opens mouth.
Me”: your jaw is still closed, so Medial pterygoid closes the mandible.

Eye rotation by oblique muscles

Inferior oblique: Lateral eye rotation
Superior oblique: Medial eye rotation

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Extrinsic muscles of tongue [for pro soccer fans] “Paris St. Germain’s Hour”:

Palatoglossus
Styloglossus
Genioglossus
Hyoglossus

· PSG is a French soccer team (foreign), hence extrinsic comes to mind.

Vessels

Maxillary artery branches

Deep auricular
Anterior tympanic
Middle meningeal
Inferior alveolar
Accessory meningeal
Masseteric
Pterygoid
Deep temporal
Buccal
Sphenopalatine
Descending palatine
Infraorbital
Posterior superior alveolar
Middle superior alveolar
Pharyngeal
Anterior superior alveolar
Artery of the pterygoid canal

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Neck Mnemonics

Vessels

Subclavian artery branches

Vertebral artery
Thyrocervical trunk
Inferior thyroid
Superficial cervical
Suprascapular
Costocervical
Superior intercostal
Deep cervical

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External carotid artery branches

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Superior thyroid
Ascending pharyngeal
Lingual
Facial
Occiptal
Posterior auricular
Maxillary
Superficial temporal

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So Long For Acting Old Parenting Means Stability
Sally Ate Lots Of Fresh Produce March Through September

Nerves

Cervical plexus

Arrangement of the important nerves “GLAST

4 compass points: clockwise from north on the right side of neck:
Great auricular (North)
Lesser occipital (East)
Accessory nerve (pops out between L and S)
Supraclavicular (South)
Transverse cervical (West)

Muscles

Hyoid bone: muscle attachments

Constricter (middle)
Hyoglossus
Digastric
Stylohyoid
Geniohyoid
Myloyoid

Thyrohyoid
Omohyoid
Sternohyoid

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Other

Thoracic Duct Location

The duck is between two gooses (duck = thoracic duct)
2 gooses = azyGOUS and esophaGOUS

Carotid sheath contents

“I See 10 CC’s in the IV”

I See (I.C.) = Internal Carotid artery
10 = CN 10 (Vagus nerve)
CC = Common Carotid artery
IV = Internal Jugular Vein


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