Show Summary Details

Page of

PRINTED FROM OXFORD REFERENCE (www.oxfordreference.com). (c) Copyright Oxford University Press, 2013. All Rights Reserved. Under the terms of the licence agreement, an individual user may print out a PDF of a single entry from a reference work in OR for personal use (for details see Privacy Policy and Legal Notice).

Subscriber: null; date: 01 June 2020

Foramina and canals of the bones of the skull

Source:
A Dictionary of Dentistry

Foramina and canals of the bones of the skull

Name

Bone

Contents

Alveolar foramina

Maxilla

Posterior superior alveolar vessels and nerves

Anterior ethmoidal foramen

Ethmoid

Anterior ethmoidal nerve and artery

Anterior nasal aperture

Margins are maxilla and nasal bones

Anterior opening to the nasal cavity in the skull

Carotid canal

Temporal

Internal carotid artery carotid plexus of nerves

Choanae

Margins are sphenoid, palatine, and vomer

Posterior opening of the nasal cavity to nasopharynx

Condylar canal

Occipital

Emissary veins

Cribriform foramina

Ethmoid

Cranial nerve I

External acoustic meatus (external auditory meatus)

Temporal

Closed by tympanic membrane

Facial canal

Temporal

Cranial nerve VII

Foramen caecum

Frontal

Emissary vein

Foramen lacerum

Between sphenoid and occipital

Deep petrosal nerve

Foramen magnum

Occipital

Vertebra arteries, spinal cord – brainstem, spinal roots of cranial nerve XI

Foramen ovale

Sphenoid

Mandibular nerve (V3) and accessory meningeal nerve

Foramen petrosum

Sphenoid

Lesser petrosal nerve

Foramen rotundum

Sphenoid

Maxillary nerve (V2)

Foramen spinosum

Sphenoid

Middle meningeal artery meningeal branch of V3

Greater palatine foramen

Between maxillary and palatine

Greater palatine nerve and artery

Hiatus for the greater petrosal nerve

Temporal

Greater petrosal nerve

Hiatus for the lesser petrosal nerve

Temporal

Lesser petrosal nerve

Hypoglossal canal

Occipital

Hypoglossal nerve

Incisive canal

Maxilla

See Incisive foramina

Incisive foramina

Maxilla

Nasopalatine nerve sphenopalatine artery

Inferior orbital fissure

Between sphenoid and maxilla

Maxillary division of trigeminal and infraorbital artery and inferior ophthalmic vein

Infraorbital foramen

Maxilla

Infraorbital nerve branch of V2 and vessels

Internal acoustic meatus

Temporal

Cranial nerve VII & VIII and labrynthine artery (internal auditory artery)

Jugular foramen

Between temporal and occipital

Internal jugular vein, cranial nerve IX, X, XI, posterior meningeal artery

Lesser palatine foramina

Palatine

Lesser palatine nerve and artery

Mandibular canal

Mandible

See Mandibular foramen

Mandibular foramen

Mandible

Inferior alveolar (inferior dental) nerve and vessels

Mastoid foramen

Temporal

Auricular branch of cranial nerve X, branches of occipital artery

Mental foramen

Mandible

Mental nerve and vessels

Nasal foramina

Nasal

emissary vessels

Nasolacrimal canal

Formed by maxillary and lacrimal

Drains into nasal cavity (inferior meatus)

Optic canal

Sphenoid

Ophthalmic artery and cranial nerve II

Palatovaginal canal

Between sphenoid and palatine

Pharyngeal branch of maxillary artery and pharyngeal nerve

Parietal foramen

Parietal

Emissary veins

Petrotympanic fissure

Temporal

Chorda tympani nerve

Piriform aperture See Anterior nasal aperture

Posterior ethmoidal foramen

Ethmoid

Posterior ethmoidal nerve and artery

Pterygoid canal

Sphenoid

Vidian nerve or nerve of the pterygoid canal

Pterygopalatine canal

Between maxilla and perpendicular plate of palatine

Greater palatine nerve and vessels

Sphenopalatine foramen

Between sphenoid and palatine

Nasopalatine nerve sphenopalatine artery

Stylomastoid foramen

Temporal

Cranial nerve VII and stylomastoid artery

Superior orbital fissure

Between greater and lesser wings of the sphenoid

Ophthalmic division of V1, cranial nerve III, IV, VI, ophthalmic vein

Supraorbital notch (foramen)

Frontal

Supraorbital nerve and vessels

Tympanomastoid fissure

Temporal

Auricular branch of cranial nerve X

Zygomaticofacial foramen

Zygomatic

Zygomaticofacial nerve and vessels

Zygomatico-orbital foramen

Zygomatic

Zygomatico-orbital nerve Zygomaticotemporal nerve

Zygomaticotemporal foramen

Zygomatic

Zygomaticotemporal nerve