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Openings/Processes
Dental Anatomy DENT-110
Bony Opening or Process | Location | Contents |
---|---|---|
Carotid Canals | Temporal Bones | Internal Carotid Arteries and plexus of nerves |
Cribiform Plate with foramina | Ethmoid Bone | First Cranial Nerves |
External Acoustic Meatus | Temporal Bones | Canals with tympanic membranes that block entry to tympanic cavities |
foramina lacera | Between Spheniod, occipital and temporal bones | cartilage when intact |
foramen magnum | occipital bone | spinal cord, vertebral arteries, eleventh cranial nerves (accessory nerve) |
Foramen ovales | spheniod bone | mandibular nerves, trigeminal nerve, lesser petrosal nerves and blood vessels |
foramen rotunda | sphenoid bone | maxillary nerves, division of trigeminal nerves and blood vessels |
foramen spinosa | sphenoid bone | middle meningeal arteries |
greater palatine foramna | palatine bones | greater palatine nerves and blood vessels |
hypoglossal canals | occipital bone | hypoglossal nerves and blood vessels |
incisive foramen | maxillae | right and left nasopalatine nerves and branchees of the sphenopalatine arteries |
inferior orbital fissure | between spheniod bone and maxillae | infraorbital and zygomatic nerves, infraorbital arteries, and inferior opthalmic veins |
Infraorbital foramina and canals | maxillae | infrorbital nerves and vessels |
internal acoustic meatuses | temporal bones | seventh and eighth cranial nerves facial and vestibulocochlear |
jugular foramina | between cciptial bone and temporal bones | internal juugular veins and IX,X,XI CN |
lesser palatine foramina | palatine bones | lesser palatine nerves and blood vessels |
mandibular foramina | mandible | inferior alveolar nerrves and blood vessels |
mental foramina | mandible | mental nerves and blood vessels |
optic canals and foramian | spheniod bone | optic nerves and opthalmic arteries |
petrotympanic fissres | temporal bones | chorda tympani nerves |
posterior superior alveolar foramina | maxillae | posterior superior alveolar nerves and blood vessels |
pterygoid canals | spheniod bone | nerve of pterygoid canal and blood vessels |
sphenopalatine foramina | between palatine bones and spheniod bone | sphenopalatine areries, nasopalatine nerves, and posterior superior nasal nerves |
stylomastoid foramina | temporal bones | facial nverve (VII CN) |
superior orbital fissures | spheniod bone | Occulomotor, Trochlear and Abducens CNs and opthalmic nerves (division of trigeminal nerves) Superior and inferior divisions of opthalmic veins |
Supraorbital notches | frontal bone | supraorbital nerves and arteries |
zygomaticofacial foramna | zygomatic bones | zygomatiofacial nerves and blood vessels |
zygomaticotemporal foramina | zygomatic bone | zygomaticotemporal nerves and blood vessels |