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Doctor insights on: Why Do The Bone Plates In The Skull Not Fuse Before Birth

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Why do the bone plates in the skull not fuse before birth?

Why do the bone plates in the skull not fuse before birth?

Two reasons...: During a vaginal delivery, the unfused skull bones can shift as necessary, making the head more malleable for passage through the birth canal. The unfused bones also allow room for the baby's brain to grow during early life. The bones in the skull will fuse after about 12 to 18 months. ...Read more

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Bone (Definition)

Bone is a living growing tissue made mostly of collagen (protein that provides soft framework) & the mineral calcium phosphate that adds strength & hardens the framework. Two types of bone are found in the body; cortical (dense compact outer layer) & trabecular (makes up inner layer, ...Read more


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What are the symptoms of fused skull bones?

What are the symptoms of fused skull bones?

None.: As a newborn, none of the skull bones are fused; there are membranes/cartilage that fill spaces between them. Gradually this converts to bone (ossification), mostly during childhood, but process may not be complete till age 25! if they fuse prematurely, will cause intracranial pressure, head pain, visual problems, and unusual head shapes causing low self-esteem. Craniosynostosis requires surgery. ...Read more

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What sort of disorder is abnormally fused skull bones?

What sort of disorder is abnormally fused skull bones?

Craniosynostosis: The skull is made of many bone plates which are not fully fused at birth, allowing for adequate brain development. Fibrous tissue between the plates (cranial sutures) calcifies as brain growth slows during the first five or so years. Premature fusion of the plates can cause a mis-sharpen head or inhibit brain growth. Not all fused sutures are worrisome. The only treatment, if required, is surgery. ...Read more

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What is the definition or description of: Fused skull bones?

What is the definition or description of: Fused skull bones?

Growth plates closed: The cranium or brain part of the skull is comprised of 8 different bones, and although these joints don't move like those in the extremities, there is slight movement which allows an infant's skull slight movement to enable birth and growth occurs at the margins to allow head symmetry. The margins or sutures generally fuse by 22-39 months. At times they can be prematurely closed and no longer. ...Read more

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Do babies with fused bones in their skull need surgery?

Do babies with fused bones in their skull need surgery?

Yes.: Premature fusion of the skull bones in an infant will not allow the skull and brain to grow normally and will lead to disfigurement. Surgical correction can range from somethingĀ asĀ simple as opening the line of fusion to a complex reconstruction. ...Read more

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What is the treatment for fused skull bones?

What is the treatment for fused skull bones?

Surgery.: This type of surgery is usually performed by a pediatric neurosurgeon, or a specialist called craniofacial surgeon. There are a variety of surgical approaches, which of course only the surgeon can answer based on each individual case. ...Read more

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Can someone be born without skull bones?

Can someone be born without skull bones?

Why do you ask?: Babies can have anencephaly, and skull bone anomalies can also occur, but have never heard of a birth without a skull. ...Read more

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What if my baby's skull bones have grown together?

What if my baby's skull bones have grown together?

Check w/ doctor: It is important to be certain the baby does not have any other birth defects. Some infants with skull bones that have grown together ("cranioynostosis") have a "sundrome" (a recognized group of birth defects). A syndrome can often be diagnosed on physical examination of the entire infant and, increasingly, by dna testing. Your pediatrician may refer you to a medical geneticist for this testing. ...Read more

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Fixed, bone-hard lymph node on the back of my skull. What could this be?

Fixed, bone-hard lymph node on the back of my skull. What could this be?

See below: This is a problem that requires a face-to-face meeting with your doctor. In that meeting, your doctor will listen to you, perform a throrough examination and possibly order labs or other tests. Based on this information, he/she will be able to tell you what's wrong and what to do about it. ...Read more

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Can you please tell me why it'simportant that the bones of an infant's skull not grow together too rapidly?

Shape/size preserv: There roughy 17 growth centers of the human skull that push away at each other while the skull grows in size and changes contour with age.Most head growth is finished by age 9.Premature fusion of a growth center stops the skull from enlarging in the area.This limits the volume the brain can grow into and can distort the shape of the skull.Pressure can build up causing symptoms. ...Read more

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Bone on the top back of neck, right under skull. It doesn't stick out, i can only feel it when i press in. What could this be?

Bone on the top back of neck, right under skull.  It doesn't stick out, i can only feel it when i press in. What could this be?

Occipital Bone: That is called the occipital protuberance on the back side of the skull. It is normal and almost everyone has this. Unless it hurts, i wouldn't worry about it. ...Read more

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Smooth oval Lump, 10x15mm, 3mm thick, appeared on the side of my skull. Lump is IMMOBILE & hard, feel like bone. Was not there 1 week ago. No Pain.

Smooth oval Lump, 10x15mm, 3mm thick, appeared on the side of my skull. Lump is IMMOBILE & hard, feel like bone. Was not there 1 week ago. No Pain.

New finding: Since it seems to have just arose. See doctor for evaluation. Make sure to give a good history. Like any trauma? Seems a little odd to have new onset of a hard boney lesion??? ...Read more

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What kinds of materials are used in place of skull during a cranioplasty? What are the synthetic materials that doctors use in place of bone during a cranioplasty? .

What kinds of materials are used in place of skull during a cranioplasty? What are the synthetic materials that doctors use in place of bone during a cranioplasty?

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Depending : Depending upon the problem being addressed, type and size of defect, and final plans for reconstruction a number of materials may be used ranging from acrylics to titanium mesh. ...Read more

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What causes pain in skull bones?

What causes pain in skull bones?

Painful scalp!: Usually transient periostitis of the skull, most frequently seen in psoriatic arthritis patients. Should respond to nsaids. Called painful scalp syndrome! ...Read more

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What is the function of skull and bones?

Protection: The skeletal system function to protect vital organs like the brain ( in terms of the skull) or heart and lungs and give structure to the body. Bones are also involved in blood cell production, mineral storage and endocrine functions. ...Read more