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Axial skeleton
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Everything about The Axial Skeleton totally explained

The axial skeleton consists of the 80 bones in the head and trunk of the human body. It is composed of five parts; the human skull, the ossicles of the inner ear, the hyoid bone of the throat, the chest, and the vertebral column. The axial skeleton and the appendicular skeleton together form the complete skeleton.

Overview

Protective or flat bones house the brain spinal cord and other vital organs. The purpose of the axial skeleton (among other things) is to protect the body's most vital organs. All vertebrates have an axial skeleton. This article mainly deals with the axial skeletons of humans; however, it's important to understand the evolutionary lineage of the axial skeleton. The axial skeleton has 80 bones in it.

Skull

Skull (22)
  • Cranial Bones (8)
    • Parietal (2)
    • Temporal (2)
    • Frontal (1)
    • Occipital (1)
    • Ethmoid (1)
    • Sphenoid (1)
  • Facial Bones (14)
    • Maxilla (2)
    • Zygomatic (2)
    • Mandible (1)
    • Nasal (2)
    • Palatine (2)
    • Inferior nasal concha (2)
    • Lacrimal (2)
    • Vomer (1)

    Auditory Ossicles

    Ossicles (6)
  • Malleus (2)
  • Incus (2)
  • Stapes (2)

    Hyoid bone

    Hyoid bone (1) U-shape bone located in the neck. It anchors the tongue and is associated with swallowing.

    Vertebral column

    Vertebral Column (26)
  • Cervical vertebrae (7)
  • Thoracic vertebrae (12)
  • Lumbar vertebrae (5)
  • Sacrum (1)
  • Coccyx (1)

    Chest

    Thoracic cage (25)
  • Sternum (1)
  • Ribs (24)Further Information

    Get more info on 'Axial Skeleton'.


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    This article contains text from the Wikipedia article Axial skeleton (History) and is released under the GFDL | RSS Version