Calvaria (skull)
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| Bone: Calvaria (skull) | |
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| Gray's | subject #47 189 |
| Dorlands / Elsevier | c_03/12206548 |
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The calvaria (or calva, or skullcap) is the roof of the skull. It is formed by the following bones:
- frontal bone
- parietal bones (two)
- temporal bones (two)
- occipital bone
In a fetus, the formation of the Calvaria involves a process known as intramembranous ossification, although the base of the skull (underlying the brain) develops through endochondral ossification.
Inner surface of the skull-cap
The inner surface of the skull-cap is concave and presents depressions for the convolutions of the cerebrum, together with numerous furrows for the lodgment of branches of the meningeal vessels.
Along the middle line is a longitudinal groove, narrow in front, where it commences at the frontal crest, but broader behind; it lodges the superior sagittal sinus, and its margins afford attachment to the falx cerebri.
On either side of it are several depressions for the arachnoid granulations, and at its back part, the openings of the parietal foramina when these are present.
It is crossed, in front, by the coronal suture, and behind by the lambdoidal, while the sagittal lies in the medial plane between the parietal bones.
(Images courtesy of Melih Aktan M.D. Istanbul Medical Faculty, Turkey)
 Calvarium in multiple myeloma |
 Calvarium in Thalassemia |
External links
- calvaria at eMedicine Dictionary
- Cross section at UV skull/calv-inf
- Cross section at UV skull/calv-sup
References
- Tubbs, R Shane; Loukas Marios, Shoja Mohammadali M, Apaydin Nihal, Salter E George, Oakes W Jerry (April 2008). "The intriguing history of the human calvaria: sinister and religious". Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 24 (4): 417-22. doi:10.1007/s00381-007-0509-0. ISSN 0256-7040. PMID 18026961.
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
