The skull is made up of many bones, 7 in the skull itself and 14 in the area facial, which join to form a solid, bony cavity that protects the brain and supports structures of the head. The areas where the bones meet are called sutures.
At birth, bones are not joined together firmly, allowing the head to pass through the birth canal. The sutures gradually accumulate minerals and harden, a process called ossification, causing the skull bones come together firmly.
In infants, the spaces where two sutures intersect form a membrane-covered "soft spot called the fontanel. The fontanelles allow for growth of the skull during the first year of baby's life.
The skull of a newborn are normally several fontanelles, especially in the top and back of the head and sides.
Like the sutures, fontanelles gradually ossify and become closed areas, solid bone. The posterior fontanelle (in the back of the head) usually closes when the baby is one or two months, while the anterior fontanelle at the top of the head usually closes between 7 and 19 months of age. How
realize they are in normal state
The fontanelles should feel firm and slightly concave to the touch.
When the child is crying, lying or vomiting, the fontanelles may look temporarily protected, but then must normalize when the child is in a calm, with his head up.
protruding We present tense or when fluid accumulates in the skull cavity or when pressure increases brain (increased intracranial pressure).
Hydrocephalus (increased intracranial pressure associated with meningitis and other disorders) can cause a tense fontanelle or protuyente. If the fontanelle returns to normal when the child is calm and head-up, does not indicate increased pressure of the fontanelles.
When your pediatrician
When the baby is really bulging fontanelle, especially if the condition is accompanied by fever or lethargy, should be examined immediately by a doctor or pediatrician in the emergency room, because it is a medical emergency.
Via: www.crecerjuntos.com.ar
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