Skull Holes

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Author:
elg04c
ID:
44271
Filename:
Skull Holes
Updated:
2010-10-25 23:27:46
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Foramina skull connections contents
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Skull foramina locations, connections and content
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  1. What foramina are found on the face?
    • Supraorbital notch
    • Infraorbital foramen
    • Zygomatico-facial foramen
    • Mental foramen
  2. Supraorbital notch
    • In frontal bone
    • Connects orbit and forehead
    • Contains Supraorbital nerve, artery and vein
  3. Infraorbital foramen
    • In maxillary bone
    • Connects orbit and face
    • Contains infraorbital nerve, artery and vein
  4. Zygomatico-facial foramen
    • In zygomatic bone
    • Connects orbit and face
    • Contains Zygomatico-facial nerve
  5. Mental Foramen
    • In mandible
    • Connects mandibular canal to face
    • Contains mental nerve, artery and vein
  6. What foramen can be found in the calvarium and cranial vault?
    • Parietal foramen
    • Mastoid foramen
  7. Parietal Foramen
    • In parietal bone (on either side of sagital suture)
    • Connects dipole in bone to scalp
    • Contains emissionary veins
  8. Mastoid Foramen
    • In temporal bone (behind mastoid process)
    • Connects dipole in bone to scalp
    • Contains emissionary veins
  9. What foramen are found on the base of the cranium from the external side?
    • Foramen ovale
    • Foramen spinosum
    • Bony part of auditory tube
    • Carotid canal
    • Stylomastoid foramen
    • Jugular foramen
    • Hypoglossal canal
    • Foramen magnum
    • Pterygoid canal
    • Pterygomaxillary fissure
    • Posterior superior alveolar foramina
    • Petrotympanic fissure
  10. Foramen ovale
    • In Sphenoid bone
    • Connects middle cranial fossa and infratemporal fossa
    • Contains mandibular division of Trigeminal nerve (V3) and Accessory Menengial artery
  11. Foramen Spinosum
    • In sphenoid bone
    • Connects middle cranial fossa and infratemporal fossa
    • Contains middle meningeal artery and nervus spinosus (branch of V3)
  12. Bony part of auditory tube
    • In temporal and sphenoid bones
    • Connects middle ear (via cartilaginous part of auditory tube) and nasopharynx
    • Contains air
  13. Carotid Canal
    • Located in temporal bone
    • Connects base of skull to middle cranial fossa
    • Contains internal carotid artery and sympatheric plexus surrounding artery

    *Opening of carotid canal in middle cranial fossa is called Foramen Lacerum
  14. Stylomastoid foramen
    • In temporal bone
    • Connects internal auditory meatus of posterior cranial fossa to base of skull (via facial canal)
    • Contains facial nerve (CN VII)
  15. Jugular foramen
    • Located in temporal and occipital bones
    • Connects posterior cranial fossa to base of skull
    • Contains internal jugular vein, glossopharyngeal (CN IX), Vagus (CN X) and Acessory (CN XI)
  16. Hypoglossal canal
    • In occipital bone
    • Connects posterior cranial fossa and base of skull
    • Contains Hypoglossal nerve (CN XII)
  17. Foramen Magnum
    • Located in occipital bone
    • Connects posterior cranial fossa vertebral canal
    • Contains spinal cord (with meninges) and vertebral arteries and veins
  18. Pterygoid canal
    • In sphenoid bone
    • Connects base of skull to pterygopalatine fossa
    • Contains nerve and artery of pterygoid canal
  19. Pterygomaxillary fissure
    • Located between maxillary and greater wing of sphenoid
    • Connects pterygopalatine fossa to infratemporal fossa
    • Contains maxillary artery (third part) and branches of maxillary nerve (V2)
  20. Posterior superior alveolar foramina
    • Located in maxillary bone
    • Connects infratemporal fossa to maxillary teeth
    • Contains posterior superior alveolar nerve, artery and vein
  21. Pterygotympanic fissure
    • Located in tempral bone (between petrous and tympanic parts)
    • Connects facial canal to base of skull
    • Contains chorda tympani (branch of VII) and anterior tympanic artery
  22. What foramina are found on the interior of the skull?
    • Olfactory foramen
    • Optic foramen and canal
    • Carotid canal
    • Superior orbiral fissure
    • Foramen rotundum
    • Foramen ovale
    • Foramen spinosum
    • Hiatus for greater petrosal nerve
    • Internal auditory meatus
    • Jugular foramen
    • Hypoglossal canal
    • Foramen magnum
  23. Olfactory foramen
    • In cribiform plate of ethmoid bone
    • Connects anterior cranial fossa and nasal cavity
    • Contains branches of olfactory nerve (fila olfactoria) (CN I)
  24. Optic foramen and canal
    • Located at base of lesser wing of sphenoid bone
    • Connects middle cranial fossa to orbit
    • Contains optic nerve and opthalmic artery
  25. Superior orbital fissure
    • Located between greater and lesser wings of sphenoid bone
    • Connects middle cranial fossa and orbit
    • Contains Oculomotor (CN III), Trochlear (CN IV), Abuducen (CN VI) nerves and Opthalmic division of trigeminal nerve AND Opthalmic veins
  26. Foramen rotundum
    • Located in Greater wing of sphenoid
    • Connects middle cranial fossa to pterygopalatine fossa
    • Contains Maxillary division of trigemminal nerve (V2)
  27. Hiatus for greater petrosal nerve (superior hiatus)
    • Located in temporal bone
    • Connects facial canal (in temporal bone) to middle cranial fossa
    • Contains greater petrosal nerve (branch of Facial nerve; CN VII)

    *Look for slit or crack in petrous part of temporal bone directed toward foramen lacerum
  28. Internal auditory meatus
    • Located in temporal bone
    • Connects posterior cranial fossa to inner ear (via facial canal) and Stylomastoid foramen
    • Contains facial (CN VII) and vestibulocochlear (VIII) nerves
  29. What are the foramina of the orbit?
    • Optic foramen and canal
    • Superior orbital fissure
    • Inferior orbital fissure
    • Anterior and posterior ethmoidal foramina
    • Supraorbital notch of foramen
    • Infraorbital foramen
    • Nasolacrimal duct
  30. Inferior orbital fissure
    • Located between sphenoid and maxillary bones
    • Connects pterygopalantine fossa and infratemporal fossa to orbit
    • Contains infraorbital and zygomatic nerves arteries and veins (nerves are branches of V2)
  31. Anterior and posterior ethmoidal foramen
    • Located between ethmoid and frontal bones
    • Connect orbit and nasal cavity
    • Contain (respectively) anterior and posterior ethmoidal nerves, arteries and veins
    • *nerves are branches of V1; arteries are branches of opthalmic artery
  32. Supraorbital notch or foramen
    • Located in frontal bone
    • Connect orbit and forehead
    • Contain supraorbital nerve, artery and vein
  33. Infraorbital foramen
    • In maxillary bone
    • Connects orbit and face
    • Contains infraorbital nerve, artery and vein
  34. Nasolacrimal duct
    • Located in maxillary, lacrimal bones and inferior nasal concha
    • Connects orbit and nasal cavity
    • Contains membranous lacrimal duct and tears
  35. What foramina are found in the oral cavity?
    • Incisive foramen
    • Greater palatine foramen
    • Lesser palatine foramen
  36. Incisive foramen
    • Located in maxillary bone
    • Connects nasal cavity and oral cavity
    • Transmits nasopalatine nerve and sphenopalatine artery and vein
  37. Greater palatine foramen
    • Located between maxillary and palatine bones
    • Connects pterygopalatine fossa and oral cavity
    • Contains greater palatine nerve, artery and vein
  38. Lesser palatine foramen
    • Located in palatine bone
    • Connects pterygopalatine fossa and oral cavity
    • Contains lesser palatine nerve artery and vein
  39. What foramina are found in the nasal cavity?
    • Sphenopalatine foramen
    • Anterior and posterior ethmoidal foramen
  40. Sphenopalatine foramen
    • Located between sphenoid and palatine bones
    • Connects pterygopalatine fossa and nasal cavity
    • Contains nasopalatine nerve and sphenopalatine artery and vein

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