Axial skeleton: Difference between revisions
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==Overview== | ==Overview== | ||
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]]. | 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]]. | ||
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[[Category:Human anatomy]] | [[Category:Human anatomy]] | ||
[[Category:Skeletal system]] | [[Category:Skeletal system]] | ||
Revision as of 22:39, 8 August 2012
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Overview
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 cordhttp://www.wikidoc.org/index.php?title=Axial_skeleton&action=edit 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 is 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)
- Homer (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
Vetebral Column (26)
- Cervical vertebrae (7)
- Thoracic vertebrae (12)
- Lumbar vertebrae (5)
- Sacrum (1)
- Coccyx (1)
Chest
Thoracic cage (25)
- Sternum (1)
- Ribs (24)