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.
Thoracic (mid back) - the main function of the thoracic spine is to hold the rib cage and protect the heart and lungs. The twelve thoracic vertebrae are numbered T1 to T12. The range of motion in the thoracic spine is limited. Lumbar (low back) - the main function of the lumbar spine is to bear the weight of the body.