<prompt> Chassaignacs tubercle is:Erbs pointCarotid tubercle on C6 vertebraFound on First ribMedial condyle of humerus  <response>: Ans. B Carotid tubercle on C6 vertebraRef: Grays, 41st ed. pg. 414, Color Atlas of Human Anatomy, pg. 446 Chassaignacs tubercle carotid tubercle is the other name of anterior tubercle of transverse process of C6 vertebra. It is the longest tubercle of Cervical C6 Vertebra. 