Intracranial space

Intracranial space
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Cranial cavity

Body cavities

Cranial cavity
Latin	cavitas cranii

The cranial cavity, or intracranial space, is the space formed inside the skull. The brain occupies the cranial cavity, which is lined by the meninges and which contains fluid to cushion blows.

Eight fused cranial bones together form the cranial cavity: the frontal, occipital, sphenoid and ethmoid bones, and two each of the parietal and temporal bones.^[1]

The capacity of an adult human cranial cavity is 1,200-1,700 cm³.^[2]

References

^ Martini R, Ober W, Garrison C, Welch K, and Hutchings RT. 2001. Fundamentals of Anatomy and Physiology, 5th ed. Prentice Hall, New Jersey. p. 195.
^ Turchin VF. The Phenomenon of Science. Chapter 5. Retrieved on February 5, 2007.

External links

Anatomy of cranial cavity.

v • d • e Bones of head and neck: cranial sutures, fontanelles, and related regions

Cranial sutures	Cranial: frontoethmoidal – frontal or metopic (frontal/frontal) – coronal (frontal/parietal) – occipitomastoid (occipital/temporal) – lambdoid (parietal/temporal) – sagittal (parietal/parietal) – sphenoethmoidal – sphenofrontal – sphenoparietal – sphenosquamosal (sphenoid/temporal) – sphenopetrosal (sphenoid/temporal) – squamosal (temporal/parietal) – petrosquamous (temporal/temporal) Facial: palatomaxillary suture Cranial–facial: sphenozygomatic – zygomaticotemporal – zygomaticofrontal

Fontanelles	anterior – posterior – sphenoidal – mastoid

Foramina of multiple bones	inferior orbital fissure – foramen lacerum – jugular foramen – nasolacrimal canal

Fossae	anterior cranial fossa – middle cranial fossa – posterior cranial fossa – cranial cavity

Other compound structures	Cranial: asterion – pterion – calvaria – stephanion – bregma – lambda Facial: nasion Cranial–facial: dacryon – zygomatic arch – temporal fossa – infratemporal fossa – pterygomaxillary fissure – pterygopalatine fossa

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See also

References

External links