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Skull base foraminae
Contents of different skull base foraminae
20
Medical
Professional
08/02/2012
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Term
Mastoid foramen
 Definition
Vein to mastoid sinus
Branch to occipital artery to dura mater
Term
Condyloid foramen
 Definition
Vein from transverse sinus
Term
Stylomastoid foramen
 Definition
CN 7
Stylomastoid artery
Term
Jugular foramen
 Definition
Internal jugular vein
CN 9,10,11
Term
Foramen spinosum
 Definition
Middle meningeal artery
Middle meningeal vein
Term
Foramen ovale
 Definition
CN V3
Portio minor of CN5
Term
Foramen rotundum
 Definition
CN V2
Artery of foramen rotundum
Term
Optic canal
 Definition
CN 2
Opthalmic artery
Term
Foramen cecum
 Definition
Occasional vein
Term
Foramen magnum
 Definition
Medulla
CN 11 (entering)
Vertebral arteries
Anterior spinal artery
Posterior spinal arteries
Term
Hypoglossal canal
 Definition
CN 12
Meningeal branch of ascending pharyngeal artery
Term
Internal acoustic meatus
 Definition
CN 7,8
Term
Lesser palatine foramen
 Definition
Lesser palatine nerves
Term
Greater palatine foramen
 Definition
Greater palatine artery
Greater palatine vein
Greater palatine nerve
Term
Incisive foramen
 Definition
Descending septal artery
Nasopalatine nerves
Term
Carotid canal
 Definition
ICA
Ascending sympathetic nerves
Term
Foramen lacerum
 Definition
Nothing
Term
Inferior orbital fissure
 Definition
CN V2
Zygomatic nerve
Maxillary nerve (pterygopalatine branch)

Intraorbital artery

Intraorbital vein
Vein between inferior opthalmic vein and pterygoid venous plexus
Term
Superior orbital fissure
 Definition
CN 3,4,V1,6
Sympathetics from IVA plexus

Lacrimal artery (recurrent meningeal branch)
Middle meningeal artery (orbital branch)

Superior opthalmic veins
Term
Nasal slits
 Definition
Anterior ethmoidal nerves
Anterior ethmoidal artery
Anterior ethmoidal vein
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