Head Anatomy Flashcards
Contents of Foramen Ovale
Otic Ganglion V3 Accessory Meningeal Artery Lesser Petrosal Nerve Emissary Veins
‘OVALE’
Contents of Foramen Spinosum
Middle Meningeal Artery
Meningeal Branch of Mandibular Nerve
Contents of Foramen Rotundum
Maxillary Nerve (V2)
Contents of Foramen Lacerum
ICA
Nerve/Artery of Pterygoid canal
Contents of Jugular Foramen
Ant: Inferior Petrosal Sinus
Mid: Glossopharyngeal, Vagua + Accessory nerves
Post: Sigmoid Sinus
Contents of Foramen Magnum
Ant + Post spinal arteries
Vertebral arteries
Medulla Oblongata
Contents of Stylomastoid Foramen
Stylomastoid Artery
Facial Nerve
Contents of Superior Orbital Fissure
Oculomotor Trochlear Lacrimal, frontal + nasociliary branches of ophthalmic nerve Abducens Sup + Inf Opthalmic Vein
CN I - Name + Exit Point
Ophthalmic
Cribiform Plate
CN II - Name + Exit Point
Optic
Optic Canal
CN III - Name + Exit Point
Oculomotor
Superior Orbital Fissure
CN IV - Name + Exit Point
Trochlear
Superior Orbital Fissure
CN V - Name + Exit Point
Trigeminal 'Standing Room Only' V1 - Sup Orbital Fissure V2 - Foramen Rotundum V3 - Foramen Ovale
CN VI - Name + Exit Point
Abducens
Superior Orbital Fissure
CN VII - Name + Exit Point
Facial Nerve
Auditory Canal -> Foramen Spinosum
CN VIII - Name + Exit Point
Vestibulocochlear
Auditory Canal
CN IX - Name + Exit Point
Glossopharyngeal
Jugular Foramen
CN X - Name + Exit Point
Vagus
Jugular Foramen
CN XI - Name + Exit Point
Accessory
Jugular Foramen
CN XII - Name + Exit Point
Hypoglossal
Hypoglossal Canal
Innervation of trigeminal nerve
Sensory - Face
Motor - Masseter, Temporalis, Med + Lat Pterygoid
Autonomic - Ciliary, Sphenopalatine (lacrimal), Otic (Parotid), Submand Gland
Innervation of Facial Nerve
Sensory - Taste from ant 2/3 tongue (via Chorda Tympani)
Motor - Muscles of facial expression
Autonomic - Parasymp to sublingual and submandib
Innervation Glossopharyngeal Nerve
Sensory - Tonsils, pharynx, middle ear, post 1/3 tongue
Motor - Stylopharyngeus
Innervation hypoglossal nerve
Motor - All muscles of tongue
Innervation of accessory nerve
Motor - Sternocleidomastoid, Trapezius
Sensation of Tongue
Anterior 2/3 - Taste: Chorda tympani branch of facial Sensation: Lingual branch of V3 Posterior 1/3 - Taste + Sensation: Glossopharyngeal
Ciliary Ganglion
Parasympathetic
Found in posterior orbit
Innervates sphincter pupillae + Cillaris
Submandibular Ganglion
Parasympathetic
Found above submandibular gland, suspended from lingual nerve
Important fibres: External carotid plexus, Submandibular and Sublingual fibres
Otic Ganglion
Found below foramen ovale
Innervates parotid gland
Inpouchings of Dura
Falx + Tentorium