« earlier Show on Map »
Displayed on various other page
sign up with our Newsletter and receive our free ebook: overview to Mastering the study of Anatomy
an initial Name
i ordered it
We dislike spam as much as friend do. Unsubscribe at any kind of time.
Click to View huge Image
continued From Above... throughout childhood development, the skull bones continue to be somewhat separated, permitting for growth of the brain and skull. Upon reaching maturity, our skull skeleton fuse to create a strictly protective covering for the soft nervous organization of our brain.
You are watching: Which is the only movable bone of the skull?
Surrounding the mind is a an ar of the skull known as the cranium. In this an ar we have actually eight cranial bones:Frontal bone 2 parietal bones 2 temporal bones Occipital bone Ethmoid bone Sphenoid bone
Collectively, these bones carry out a hard bony wall around the brain, with just a couple of openings for nerves and also blood vessels. Our occipital bone consists of the foramen magnum, the hole v which the spinal cord beginning the skull to attach to the brain. The occipital bone likewise forms the atlanto-occipital joint v the atlas (the an initial cervical vertebra in our spine).
The frontal, ethmoid, and sphenoid bones contain little hollow spaces well-known as paranasal sinuses. The sinuses assist to mitigate the load of this bones and increase the resonance that the voice during speech, singing, and also humming.
See more: How Much Does An Egg Yolk Weight S, How Much Does An Egg Yolk Weigh
The 14 skeletal that assistance the muscles and organs the the challenge are jointly known together our facial bones. The facial bones consists of:Mandible 2 maxillae (singular: maxilla) Vomer two palatine bones two nasal bones 2 zygomatic bones two nasal conchae (singular: concha) two lacrimal bones
The mandible, or jaw bone, is the only movable bone of the skull, creating the temporomandibular joint v the temporal bone. The lower teeth space rooted into the mandible if the upper teeth space rooted in the two maxillae. The maxillae additionally contain paranasal sinuses favor the frontal, ethmoid, and also sphenoid skeleton of the cranium.