Cranial Foramina & Contents Flashcards
Nasal slits
Anterior ethmoidal nerves, artery, and vein
Superior orbital fissure
Cranial nerves III, IV, VI, and the three branches of V1 (opthalmic division dividing into nasolacrimal, lacrimal, and frontal nerves)
Superior ophthalmic veins
Recurrent meningeal branch from lacrimal artery
Orbital branch of middle meningeal artery
Sympathetic filaments from ICA plexus
Inferior orbital fissure
Cranial nerve V2 (maxillary division)
Zygomatic nerve
Filaments from pterygopalatine branch of maxillary nerve
Infraorbital artery and vein
Vein between inferior ophthalmic vein and pterygoid venous plexus
Foramen lacerum
Usually nothing (ICA traverses upper portion but never enters) * 30% have the vidian artery running through
Carotid canal
ICA
Ascending sympathetic nerves
Incisive foramen
Descending septal artery
Nasopalatine nerves
Greater palatine foramen
Greater palatine nerve, artery, and vein
Lesser palatine foramen
Lesser palatine nerves
Internal acoustic meatus
Cranial nerve VII, VIII
Hypoglossal canal
Cranial nerve XII
Meningeal branch of ascending pharyngeal artery
Foramen magnum
Spinal cord/medulla
Cranial nerve XI entering the skull
Vertebral arteries
Anterior and posterior spinal arteries
Foramen cecum
Occasional small vein
Cribriform plate
Olfactory nerve
Optic canal
Cranial nerve II
Ophthalmic artery
Foramen rotundum
Cranial nerve V2 (maxillary division)
Artery for foramen rotundum
Foramen ovale
Cranial nerve V3 (mandibular division) and portio minor (motor part of cranial nerve V)
Foramen spinosum
Middle meningeal artery and vein
Jugular foramen
Internal jugular vein
Cranial nerve IX, X, XI
Stylomastoid foramen
Cranial nerve VII
Stylomastoid artery
Condyloid foramen
Vein from transverse sinus
Mastoid foramen
Vein to mastoid sinus
Branch of occipital artery to dura mater
