(redirected from posterior fontanel)
Also found in: Dictionary, Thesaurus, Medical.


(fŏn`tənĕl'): see skullskull,
the skeletal structure of the head, composed of the facial and cranial bones. The skull houses and protects the brain and most of the chief sense organs; i.e., the eyes, ears, nose, and tongue.
..... Click the link for more information.



one of the remains of the membranous skeleton that unite the bones of the skull in a newborn infant. The fontanels enable the head of the fetus to be compressed as it passes through the birth canal. The anterior fontanel—the junction of the frontal and temporal bones—closes in the second year of life. The posterior fontanel, which is located at the site where the occipital and temporal bones join, closes before or shortly after birth, as do the mastoid and sphenoidal fontanels. Delayed closing of the fontanels is observed in rickets and a number of other diseases.


(chiefly US), fontanel
Anatomy any of several soft membranous gaps between the bones of the skull in a fetus or infant
References in periodicals archive ?
The authors describe herein a case occurring over the posterior fontanel which, to their knowledge, is the only case of CIDC of the posterior fontanel reported in the literature.
The presented case is in agreement with the aforementioned characteristics but it is unique in the sense that it is located on the posterior fontanel.

Full browser ?