11/28/2023 0 Comments Skull with bones![]() For additional information visit Linking to and Using Content from MedlinePlus. Any duplication or distribution of the information contained herein is strictly prohibited without authorization. Links to other sites are provided for information only - they do not constitute endorsements of those other sites. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. This site complies with the HONcode standard for trustworthy health information: verify here. Learn more about A.D.A.M.'s editorial policy editorial process and privacy policy. is among the first to achieve this important distinction for online health information and services. follows rigorous standards of quality and accountability. is accredited by URAC, for Health Content Provider (URAC's accreditation program is an independent audit to verify that A.D.A.M. Sunken, depressed fontanelles are sometimes a sign of dehydration.Ī.D.A.M., Inc. Surgery may be needed to relieve the increased pressure. In this case, providers may need to use imaging techniques to see the brain structure, such as CT scan or MRI scan. Bulging fontanelles may be a sign of increased pressure within the brain. The fontanelles should feel flat and firm. They are able to assess the pressure inside the brain by feeling the tension of the fontanelles. The child would develop brain damage.įeeling the cranial sutures and fontanelles is one way that health care providers follow the child's growth and development. Without flexible sutures and fontanelles, the child's brain could not grow enough. This allows the brain to grow quickly and protects the brain from minor impacts to the head (such as when the infant is learning to hold his head up, roll over, and sit up). During childbirth, the flexibility of the sutures allows the bones to overlap so the baby's head can pass through the birth canal without pressing on and damaging their brain.ĭuring infancy and childhood, the sutures are flexible. The sutures and fontanelles are needed for the infant's brain growth and development. The anterior fontanelle usually closes sometime within 7 to 19 months. The posterior fontanelle usually closes by age 1 to 2 months. ![]() In the back of the middle of the head (posterior fontanelle). ![]()
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