a person who is skilled in relating stories and anecdotes interestingly. Origin of raconteur. 1820-1830. 1820-30; < French, equivalent to racont(er) to tell (Old French r(e)- re- + aconter to tell, account) + -eur -eur.
1 An abnormal curve of the lumbar spine is lordosis, also called sway back. 2  An abnormal curve of the thoracic spine is kyphosis, also called hunchback.  An abnormal curve from side-to-side is called scoliosis.
The vertebrae that make up the spinal column have a specific shape that is made to protect the spinal cord from injury. The T4 vertebra is located about midway up the spine. The portion of the spinal cord that the thoracic vertebrae protect is referred to as the thoracic cord. This part of the cord sends and receives signals from the area of the abdomen just above the waist.