Traction

(trak’ ’-shun) \trahere, to draw]. The act of drawing or pulling. T. -aneurysm, an aneurysm due to traction on the aorta by an incompletely atrophied duct us Botalli. T., Axis-, traction in the axis or direction of a channel, as of the pelvis, through which a body is to be drawn. Axis-T. Forceps, an obstetric forceps for performing axis-traction in the delivery of the fetus. T. -diverticulum, a circumscribed sacculation of the esophagus from the traction of adhesions. T., Elastic, traction by an elastic force. 631