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|Superior view of the calvarium, bregma located at the intersection of the coronal and sagittal sutures.
(Lambda also visible at the intersection of the lambdoid suture by the sagittal suture.)
|Gray's||subject #32 135|
The bregma is known as the anterior fontanelle during infancy. The anterior fontanelle is membranous and closes within 4–26 months of life.
The bregma is often used as a reference point for stereotactic surgery of the brain.
Also, examination of an infant includes palpating the anterior fontanelle. A sunken fontanelle indicates dehydration, whereas a very tense or bulging anterior fontanelle indicates raised intracranial pressure.
Bregma comes from the Greek bregma, meaning top of the head. 
- ↑ Liddell & Scott, Greek-English Lexicon
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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