What are the different parts of the skull?

2021-02-28 editor Useful Tips 0

What are the different parts of the skull?

The skull consists of three parts, of different embryological origin—the neurocranium, the sutures, and the facial skeleton (also called the membraneous viscerocranium). The neurocranium (or braincase) forms the protective cranial cavity that surrounds and houses the brain and brainstem.

What is the anatomy of the skull?

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. Components of neurocranium: Neurocranium consists of 8 parts: frontal, sphenoid, ethmoid, occipital, 2 temporal, and 2 parietal bones.

What are the 22 skull bones?

The skull (22 bones) is divisible into two parts: (1) the cranium, which lodges and protects the brain, consists of eight bones (Occipital, Two Parietals, Frontal, Two Temporals, Sphenoidal, Ethmoidal) and the skeleton of the face, of fourteen (Two Nasals, Two Maxillae, Two Lacrimals, Two Zygomatics, Two Palatines, Two …

What is the top part of the skull called?

This cavity is bounded superiorly by the rounded top of the skull, which is called the calvaria (skullcap), and the lateral and posterior sides of the skull. The bones that form the top and sides of the brain case are usually referred to as the “flat” bones of the skull.

What are the 4 main sutures of skull?

The major sutures of the skull include the following:

  • Metopic suture. This extends from the top of the head down the middle of the forehead, toward the nose.
  • Coronal suture. This extends from ear to ear.
  • Sagittal suture.
  • Lambdoid suture.

What is the thickest part of the skull?

Conclusion: The thickest area of the skull is the parasagittal posterior parietal area in male skulls and the posterior parietal area midway between the sagittal and superior temporal line in female skulls.

What are the 28 skull bones?

Skull (28)

  • Parietal (2)
  • Temporal (2)
  • Frontal (1)
  • Occipital (1)
  • Ethmoid (1)
  • Sphenoid (1)

What are the three types of human skulls?

Based on careful analysis, skulls are commonly categorized into three basic groups: European, Asian and African. Although the methods for determining origin are not 100 percent accurate, and many skulls may be a combination of ethnicities, they are useful for getting a general idea of race and origin.