Also found in: Thesaurus, Medical, Encyclopedia.
Related to calvarium: diploic vein, Oxyphil cells


n. pl. cal·var·i·ums or cal·var·i·a (-ē-ə)
The upper domelike portion of the skull without the lower jaw or the lower jaw and the facial parts.

[Latin calvāria, skull, from calva, from calvus, bald.]


(kælˈvɛər i əm)

n., pl. -var•i•a (-ˈvɛər i ə)
the dome of the skull.
[1880–85; < New Latin, neuter variant of Latin calvāria skull]
References in periodicals archive ?
And with the calvarium [the skull], in general, some people will actually try to change the presentation so that it's not vertex [head first], because when it's vertex presentation you never have enough dilation at the beginning of the case, unless you have real, huge amounts of dilation to deliver an intact calvarium.
A cephalocele is a protrusion of intracranial contents through a defect in the calvarium or skull base; the defect may be congenital, acquired (including postoperative or post-traumatic) or spontaneous.
The fetus may be rotated into a breech position to facilitate recovery of an intact calvarium (head), the largest part, as cervical dilation increases during the procedure, Nucatola said.
Well-described donor sites for bony and cartilaginous framework repairs are the ears, ribs, and/or calvarium.
The beam of the laser was also focused on the caudal calvarium overlying the cerebellar and vestibular regions of the nervous system.
Histologic and histomorphometric assessment of Strumann Bone Ceramic with two sizes as well as Bio-Oss on the quality and quantity of bony defects healing in the rabbit's calvarium.
After sacrifice of the rat, the calvarium (frontal and parietal bone) was taken immediately and all adhering soft tissues were removed.
Pensler and McCarthy (6) published a study on the thickness and specific anatomy of the calvarium for safe and predictable harvesting.
The right side of the calvarium is opened to the right side of the sagittal suture and sinus, and the frontal and parietal bones are reflected to the side of the head to expose the right cerebral hemisphere.
By removing a large segment of the calvarium the procedure provides additional space into which the injured brain can expand.