GRST 211 Chapter Notes - Chapter 12: Lumbar Vertebrae, Thoracic Vertebrae, Xiph.Org Foundation

• School: University of Calgary
• Department: Greek and Roman Studies
• Course: GRST 211
• Professor: Lesley Bolton

Document Summary

Rhachi- is the base that is closer to the greek original, and has largely been replaced by the form rachi- The spinal column is made up of 33 vertebrae, the bones that are linked together to form the backbone, or spine. The term vertebra is related to the base vert- to turn . Spondyl segment of the spine, vertebra. The spinal cord is a bundle of nervous tissue that extends from the brain stem (posterior part of the brain) to the second lumbar vertebra (just above the navel) Myelin has some resemblance to bone marrow, therefore the name myelin was given to the lipoprotein that coats certain nerve cell structures. The greek term thorax originally described a piece of armour that covered the chest. There are 12 thoracic vertebrae in the chest area of the spine. In the 19th century, the term axon was given to the long nerve fibres that project from nerve cells.