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Fontanel |
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fontanel (fŏn`tənĕl'): see skull skull, 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. . fontanelor fontanelleOne of six soft spots at the junctions (sutures) of the cranial bones in an infant's skull, covered with tough, fibrous membrane. They allow molding of the head during birth. Some close by three months, others after a year, and still others by two years. fontanelle (chiefly US), fontanel Anatomy any of several soft membranous gaps between the bones of the skull in a fetus or infant Fontanel 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. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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