neurocranium

Examples of neurocranium in the following topics:

• General Features and Functions of the Skull

  • The adult human skull is comprised of twenty-two bones which are divided into two parts of differing embryological origin: the neurocranium and the viscerocranium.
  • The neurocranium forms the cranial cavity that surrounds and protects the brain and brainstem.
  • The neurocranium is formed from the occipital bone, two temporal bones, two parietal bones, the sphenoid, ethmoid and frontal bones; they are all joined together with sutures.
  • Neurocranium consists of 8 parts: frontal, sphenoid, ethmoid, occipital, 2 temporal, and 2 parietal bones.

• Cranial Bones

  • The neurocranium is comprised of eight bones: occipital, two temporal bones, two parietal bones, sphenoid, ethmoid, and the frontal bone.
  • The neurocranium forms the cranial cavity that surrounds and protects the brain and brainstem.
  • The neurocranium consists of the occipital bone, two temporal bones, two parietal bones, the sphenoid, ethmoid, and frontal bones—all are joined together with sutures.
  • Evolutionary ,it is the expansion of the neurocranium that has facilitated the expansion of the brain and its associated developments.
  • Inside the neurocranium it articulates with the frontal and sphenoid bones.

• Facial Bones

  • The joint between the mandible and the temporal bones of the neurocranium, known as the temporomandibular joint, forms the only non-sutured joint in the skull.

• Fontanels

  • The ossification of the bones of the skull causes the fontanelles to close over a period of 18 to 24 months; they eventually form the sutures of the neurocranium.