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Head and Neck - cranial fossas
Anatomy of the head and neck
40
Health Care
Professional
10/01/2010

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Cards

Term
Middle meningeal artery enters through which foramen?
Definition
Foramen spinosum
Term
Anterior cranial fossa contains which foramen?
Definition
Foramen cecum, cribiform foramina, anterior and posterior ethmoid foramina
Term
What are in the ethmoid foramina?
Definition
Anterior and posterior ethmoid vessels and nerves
Term
What fissures and foramina are in middle cranial fossa?
Definition
Superior orbital fissure, foramen rotundum, foramen ovale, foramen spinosum, carotid canal, foramen lacerum, hiatuses/canals for greater and lesser petrosal nerves
Term
What's in the superior orbital fissure?
Definition
Occulomotor nerve CN III, trochlear CN IV, opthalmic nerve V1 (sensory), abducent nerve CN VI, superior opthalmic vein
Term
What's in the foramen rotundum?
Definition
Maxillary CN V2 (sensory)
Term
What's in the foramen ovale?
Definition
Mandibular CN V3 (sensory and motor), accessory meningeal artery, lesser petrosal nerve(?)
Term
What's in the foramen spinosum?
Definition
Middle meningeal artery and vein
Term
What's in the carotid canal?
Definition
Internal carotid artery with nerve plexus (sympathetic)
Term
What's the foramen lacerum?
Definition
It's filled with cartilage, traversed by greater petrosal nerve (visceral parasympathetic) which joins deep petrosal ---> lacrimal
Term
What does the occulomotor CN III go through?
Definition
Superior orbital fissure
Term
What does the trochlear nerve CN IV go through?
Definition
Superior orbital fissure
Term
Where does the opthalmic CN V1 go through?
Definition
Superior orbital fissure
Term
What does the abducent CN VI go through?
Definition
Superior orbital fissure
Term
What does the superior opthalmic vein go through?
Definition
Superior orbital fissure
Term
What does the maxillary CN V2 (sensory) go through?
Definition
Foramen rotundum
Term
What does the mandibular CN V3 (sensory and motor) go through?
Definition
Foramen ovale
Term
Where does the accessory meningeal artery go through?
Definition
Foramen ovale
Term
Where does the middle meningeal artery and vein go through?
Definition
Foramen spinosum
Term
What does the greater petrosal nerve (visceral parasympathetic) traverse?
Definition
Foramen lacerum
Term
What canals/foramina are in the posterior cranial fossa?
Definition
Internal acoustic meatus, jugular foramen, hypoglossal canal, foramen magnum, condylar canal
Term
What's in the internal acoustic meatus?
Definition
Facial CN VII, vestibulocochlear CN VIII, labrynthine artery
Term
What's in the jugular foramen?
Definition
Inferior petrosal sinus, glossopharyngeal CN IX, vagus CN X, accessory CN XI, sigmoid sinus, posterior meningeal artery
Term
What's in the hypoglossal canal?
Definition
Hypoglossal CN XII
Term
What's in the foramen magnum?
Definition
medulla oblongata, meninges, vertebral arteries and meningeal branches, spinal roots of accessory nerves
Term
What's in the condylar canal?
Definition
Emissary vein (travels from sigmoid sinus to vertebral veins in the neck)
Term
Where does facial CN VII go through in posterior cranial fossa?
Definition
Internal acoustic meatus
Term
Where does vestibulocochlear CN VIII go through in posterior cranial fossa?
Definition
Internal acoustic meatus
Term
Where does the labrynthine artery pass through in the posterior cranial fossa?
Definition
internal acoustic meatus
Term
Where is the posterior cranial fossa is the inferior petrosal sinus?
Definition
The jugular foramen
Term
Where is the glossopharyngeal CN IX in the posterior cranial fossa?
Definition
Jugular foramen
Term
Where is the vagus CN X in the posterior cranial fossa?
Definition
Jugular foramen
Term
Where is the accessory CN XI in the posterior cranial fossa?
Definition
Jugular foramen
Term
Where is the sigmoid sinus in the posterior cranial fossa?
Definition
Jugular foramen
Term
Where is the posterior meningeal artery in the posterior cranial fossa?
Definition
Jugular foramen
Term
Where is the hypoglossal CN XII in the posterior cranial fossa?
Definition
Hypoglossal canal
Term
Where is the medulla oblongata in the posterior cranial fossa?
Definition
Foramen magnum
Term
Where are the vertebral arteries with meningeal branches in the posterior cranial fossa?
Definition
Foramen magnum
Term
In the posterior cranial fossa, where are the spinal roots of the spinal accessory nerves?
Definition
Foramen magnum
Term
In the posterior cranial fossa, where is the emissary vein?
Definition
In the condylar canal (runs from sigmoid sinus to vertebral veins in neck)
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