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ongoing From Above... during childhood development, the skull bones continue to be somewhat separated, allowing for expansion of the brain and skull. Upon getting to maturity, our skull skeletal fuse to create a rigid protective shell for the soft nervous organization of our brain.
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Surrounding the brain is a region of the skull known as the cranium. In this region we have eight cranial bones:Frontal bone two parietal bones two temporal skeleton Occipital bone Ethmoid bone Sphenoid bone
Collectively, this bones carry out a heavy bony wall around the brain, with only a few openings because that nerves and blood vessels. Our occipital bone consists of the foramen magnum, the hole through which the spinal cord enters the skull to attach to the brain. The occipital bone likewise forms the atlanto-occipital joint through the atlas (the first cervical vertebra in ours spine).
The frontal, ethmoid, and sphenoid bones contain small hollow spaces known as paranasal sinuses. The sinuses help to mitigate the weight of these bones and increase the resonance of the voice throughout speech, singing, and also humming.
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The 14 skeletal that assistance the muscles and organs the the face are collectively known together our facial bones. The face bones consist of of:Mandible 2 maxillae (singular: maxilla) Vomer 2 palatine bones two nasal bones two zygomatic bones 2 nasal conchae (singular: concha) 2 lacrimal bones
The mandible, or jaw bone, is the only movable bone of the skull, developing the temporomandibular joint v the temporal bone. The reduced teeth are rooted right into the mandible when the upper teeth are rooted in the two maxillae. The maxillae also contain paranasal sinuses choose the frontal, ethmoid, and also sphenoid skeleton of the cranium.