All About Cranial Bones

To protect the brain, skill provides the structure to the face and head. Skull bones can be categorized into cranial bones, making skull and face bones make entire faces.

Several kinds of bones are present in the body, and they can be categorized into the following:

  1. Long bones
  2. Short bones
  3. Flat bones
  4. Irregular bones
  5. Sesamoid bones

Cranium Can Be Categorized Into Two Parts:

  1. Flat bones: Most bones that fall into this type are plane and thin, except a few curves.
  2. Irregular bones are not a common type of bone; they have complex structures and cannot be categorized into classes.

Composition And Function:

Cranial bones can be divided into eight types which supports the skull:

  1. Ethmoid bone: It is in the front of the skull forms the nasal activity.
  2. The sphenoid bone is in the front of the head, which creates parts of the orbital sockets.
  3. Frontal bone: It forms the forehead, and it is a flat bone and also contributes to creating the upper socket of the eyes.
  4. Occipital bone: It is the base of the skull.
  5. Two Parietal bones: The two expansive parietal bones are associated and make up a portion of the roof and sides of the human skull.
  6. Two temporal bones: It is at the base and sides of the skull.

Skull Surprise | Harvard Medical School


The cranial bones are held together by one of a kind joints called sutures, made of thick connective tissue. They’re sporadically formed, permitting them to connect all the extraordinarily formed cranial bones firmly. The sutures don’t meld until adulthood, allowing your brain to develop amid childhood and puberty.

Cranial Bone Conditions:

Injuries to bones and other health conditions can impact the functionality of the cranial bones. It could be a fracture or congenital disease. Damages should be handled delicately, and immediate treatment should be done in face movement problems.


It is a condition in which a bone is broken or dislocated. Numerous kinds of fractures on skull bones may affect the look or functionality of the bones.

  1. Depressed fracture: A depressed cranium break may be a break in a cranial bone with depression in the brain. A compound break includes a break-in, or misfortune of, skin and chipping of the bone. It mainly causes severe head injuries during road accidents when heavy things such as a hammer hit the head.
  2. Linear fracture: A straight cranium break could be a break in a cranial bone taken after a slimline, without fragmenting, depression, or twisting of bone. The reason behind linear fracture is a total force, and the energy is transferred to the skull.
  3. Basilar: A basilar cranium break could be a break of a bone within the base of the skull. Side effects may include bruising behind the ears, bruising around the eyes, or blood behind the eardrum. The principal of the basilar cases is a result of CNS injury or cervical spine fracture.
  4. Diastatic: A break that takes after a cranial suture and causes it to separate. A diastatic break happens along with one of the sutures of your skull, making it more extensive than usual. It’s as a rule seen in newborn children.

In most cases, these fractures are self-healing without any treatment or surgery; only severe fractures cause problems and surgery in critical conditions. The entire process hardly takes 5 to 10 days to recover in the original state completely.


It is a condition in newborn babies, many babies born with Craniosynostosis, which is the early closure of sutures. It results in an unusual face structure and sometimes affects facial movements. The treatment for Craniosynostosis is surgery to ensure that the child’s brain has sufficient room to develop. Specialists open the combined sinewy creases in your child’s skull. Surgery makes a difference. The head grows into a more commonplace shape and anticipates a buildup of weight on the brain. If it is not treated on time, severe complications include unusual head shape and high pressure on the brain. Though it is not an inherited disease, some genes from the last generation have been passed to the child that causes this condition. The chances of this disease are twice in men as compared to women.

It Could Be Of Different Types:

  1. Bi-coronal synostosis: The most side effects of bi-coronal Craniosynostosis are the compliment appearance of the forehead and eye attachments and a head shape shorter front to back and taller than average.
  2. Coronal synostosis: In newborns, the cranium bones are isolated by tiny spaces or development plates called sutures. One seam runs over the best of the skull from ear to ear. This coronal suture may be near rashly on one uni-coronal side or both sides that are bi-coronal. When this happens, it is called coronal synostosis.
  3. Lambdoid synostosis: This may lead to smoothing on one side of the back of the skull. It can influence the situating of the ear or cause the head to tilt sideways.
  4. Metopic synostosis: The child creates a discernible edge amplifying along the center of her forehead. Her brow will see excessively narrow. Her eyes may be dispersed as well close together. The front of her skull may show up pointed and or maybe triangular.
  5. Sagittal synostosis: Sagittal Craniosynostosis happens when certain bones in a child’s skull combine rashly. A child’s head comprises a few partitioned bones with development plates between them at birth. However, since the cranium isn’t a vital piece of bone, the brain can develop and extend in the estimate.

It requires surgical treatment to avoid issues in the future. After treatments, close monitoring is necessary to check the effects and proper growth of the brain, as it is a critical part of the body.

Other Conditions:

  1. Cleidocranial dysplasia: Cleidocranial dysplasia is an autosomal overwhelming skeletal dysplasia characterized by anomalous clavicles, apparent sutures and fontanelles, supernumerary teeth, brief stature, and an assortment of other bony changes.
  2. Craniometaphyseal dysplasia could be a hereditary skeletal condition characterized by the dynamic thickening of bones within the skull and anomalies at the close of long bones within the appendages. The abundance of bones within the head can lead to particular facial highlights and postponed tooth emission and compression of the cranial nerves.
  3. Paget’s disease of bone: Paget’s illness of bone meddling along with your body’s typical reusing handle, in which modern bone tissue continuously replaces ancient bone tissue. Over time, the infection can cause influenced bones to get to be delicate and distorted. Paget’s disease of bone most commonly happens within the pelvis, skull, spine, and legs.
  4. Fibrous dysplasia may be a bone condition in which irregular stringy tissue creates instead of typical bone. As these ranges of stringy tissue develop and grow over time, they can debilitate the bone, causing it to break or get distorted.
  5. Osteomas: Osteomas are generous outgrowths of bone found basically on the bones of the skull. These tumors are moderately developing and, as a rule, cause no side effects.

Symptoms Of A Cranial Bone Condition:

Sometimes it is difficult to check the symptoms of the cranial bone, as it is a complex structure and difficult to point to the exact problem.

Symptoms To Check The Issues Related To Fracture:

  1. Staining near the eyes or behind the ears
  2. Clear liquid or blood depleting from the ears or nose
  3. A feeling of shortcoming in the face

Symptoms Of A Basic Issue With The Cranial Bones Include:

  1. A gloomy, throbbing pain
  2. numbness or shivering in your face
  3. hearing or vision problems
  4. unusually formed head or facial highlights

Tips For Healthy Cranial Bones:

Cranial bones are the protective system of the skull, and the entire face and head shape are dependent on it. It is essential to prevent it from severe injuries as it affects the brain directly.

Below are Steps that Can Be Taken For The Safety Of These Bones:

  1. Always wear a helmet: Major injuries related to cranial bones are road mishaps that can be avoided using helmets while driving any vehicle or playing games such as skates. Always buy new helmets and don’t use broken ones.
  2. Seatbelt: It is a protection tool to prevent many injuries, not only the brain but also the entire body. Always tighten the seatbelt before starting driving.
  3. Reduce the risk of falling: Secure anything, such as free electrical ropes that may cause somebody to trip. Consider introducing handrails and snatch bars in regions like the shower or stairs if you’ve got portability issues.

If you’ve got a newborn child, be beyond any doubt to monitor their head for anything abnormal. You’ll be able to make, beyond any doubt, your child doesn’t remain in one position for as well lengthy. A few ways to do this include:

  1. Change the course of the baby’s head faces when putting them to bed
  2. Hold baby in arms when they’re wakeful rather than setting them in a lodging, swing, or carrier.
  3. When possible changing the components, the mother should hold the child when feeding.
  4. Allowing the child to play on their stomach beneath close supervision.


Though our body can heal the cranial bones problems or fractures in tal cases, severities or infants suffering from birth needs to take the help of medical treatments to cure it at an early stage. Surgery may be necessary to help avoid brain damage. This will usually be carried out under a general anesthetic. Treatment will depend on a few variables. Your specialist will consider your age, wellbeing, and vital history, as well as the sort of break, its gravity, and any coming about brain wounds.

Joshua K. Lopez

As a health blogger, my goal is to educate people on healthy living and wellness trends. Through my writing, I hope to promote positive mental and physical health and provide people with tips, tricks, and recipes to lead a healthier lifestyle. My work has been featured in The Huffington Post, LiveStrong, FitSugar, and more. I’ve even appeared on national television, including The Doctors.