structures that travel through skull openings Flashcards
Anterior ethmoidal foramen
- Anterior ethmoidal n. a. and v.
Carotid canal
- Internal carotid a. and plexus (postganglionic sympathetic and visceral afferent)
Choana
- Air and mucus
Condylar canal*
- Emissary vein from sigmoid sinus to vertebral v.
Eustachian tube
- Air and mucus
External acoustic meatus
- Sound waves
- air and earwax
Foramen cecum*
Emissary vein from superior sagittal sinus to veins of external nose
Foramen lacerum
Deep petrosal n. (postganglionic sympathetic and visceral afferent from internal carotid plexus)
Foramen magnum
- Spinal cord and meninges
- anterior and posterior spinal a. and v.
- spinal accessory n.
- vertebral a. and v.
Foramen ovale
- Mandibular division of trigeminal n. (V3)
- lesser petrosal n. (preganglionic parasympathetic and visceral afferent from glossopharyngeal)
- accessory meningeal a. and v.
Foramen rotudum
Maxillary division of trigeminal n. (V2)
Foramen spinosum
- Middle meningeal a. and v.
- meningeal branch of V3
Greater palatine foramen
Greater palatine n. a. and v.
Hypoglossal canal
Hypoglossal n.
Incisive fossa (foramen)
- Nasopalatine n.
- anastomosis between sphenopalatine a. and v. and greater palantine a. and v.
Inferior orbital fissure
- Maxillary division of trigeminal n. (V2) with postganglionic parasympathetic and visceral afferents from pterygopalantine ganglion
Infraorbital foramen
Infraorbital n. a. and v.
Internal acoustic meatus
- Facial n.
- vestibulocochlear n.
- labyrinthine a. (to internal ear from anterior inferior cerebellar a.)
Jugular foramen
- Sigmoid sinus becoming internal jugular vein
- glossopharyngeal
- vagus
- spinal accessory n.
Lacrimal fossa and nasolacrimal canal
Lacrimal sac to nasolacrimal duct
Lesser palatine foramen
Lesser palatine n. a. and v.
Mandibular foramen
Inferior alveolar n. a. and v.
Mastoid foramen*
- Mastoid emissary v. from sigmoid sinus to posterior auricular v.
- posterior meningeal a. and v. (from occipital a. and v.)
Mental foramen
Mental n. a. and v.
Olfactory (cribriform) foramina
Olfactory neurons
Optic canal
- Optic n.
- ophthalmic artery
Parietal emissary foramen*
Parietal emissary veins from superior sagital sinus to veins of scalp