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Q: What does it mean mural calcification of the aortic arch?
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What is vertebrae made up of?

Do mean what parts are in the vertebrae?any of the bones or segments composing the spinal column, consisting typically of a cylindrical body and an arch with various processes, and forming a foramen, or opening, through which the spinal cord passes.In human anatomy, the vertebral column usually consists of 24 articulating vertebrae,and 9 fused vertebrae in the sacrum and the coccyx. It is situated in the dorsal aspect of the torso, separated by intervertebral discs. It houses and protects the spinal cord in its spinal canal, and hence is commonly called the spine, or simply backbone.There are normally thirty-three (33) vertebrae in humans, including the five that are fused to form the sacrum (the others are separated by intervertebral discs) and the four coccygeal bones that form the tailbone.Individual vertebrae are composed of a centrum (body), arches protruding from the top and bottom of the centrum, and various processes projecting from the centrum and/or arches. An arch extending from the top of the centrum is called a neural arch. The vertebral processes can either give the structure rigidity, help them articulate with ribs, or serve as muscle attachment points.


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