Anatomy and Cell Biology 3319 Chapter Notes -Cervical Vertebrae, Iliocostalis, Nuchal Ligament
3 Mar 2014
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Document Summary
Clavicular notches: articulate with clavicles (collarbones) superolaterally. Formed by 4 separate bones that fuse after puberty. Sides are notched where it articulates with the costal cartilages of the 2nd to 7th rib: body, xiphoid process. Blows to the chest can push xiphoid process into underlying heart or liver. Includes thoracic vertebrae posteriorly, ribs laterally & sternum & costal cartilage anteriorly: protective cage for heart, lungs & other organs, supports shoulder girdles and upper limps, provides attachment points for many muscles of back, neck, chest & shoulders. Central indentation in the superior border of the manubrium. Lies in the same horizontal plane as the disc between the. 2nd and 4th thoracic vertebrae: sternal angle. Horizontal ridge across anterior surface of the sternum where manubrium joins the body. Fibrocartilage joint hinge allowing sternal body to swing anteriorly as we inhale. In line with the disc between 4th & 5th thoracic vertebrae. Anteriorly lies at the level of the 2nd ribs: xiphisternal joint.
