Skull sutures in infants and fetuses

Picture of skull sutures in fetuses and infants

Illustration copyright 2002 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

The skull consists of 5 thin, curved, bony plates that are held together by fibrous material called sutures. These sutures allow a baby's skull to expand with the growing brain. The sutures gradually harden to join the skull bones together. The spaces where sutures meet are called soft spots or fontanelles.

Last Updated: January 20, 2010

Author: Debby Golonka, MPH

Medical Review: Susan C. Kim, MD - Pediatrics & John Pope, MD - Pediatrics

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