NOTE: The thicknesses for backing flanges noted in the tables are applicable to. steel. Different metals demand different thicknesses for the same performance, so for. metals other than steel, consideration must be given to thickness. Although Tables 4, 5, 6 and 7 in these guidelines make reference to pressure ratings.
Big difference : A subtotal colectomy is removing almost all the colon; usually just a couple of inches are left near the rectum. A partial colectomy is not done AFTER a subtotal colectomy because there is basically no colon left.
Medical Definition of Partial laryngectomy. Partial laryngectomy: A surgical procedure on the voice box designed to preserve the voice. The surgeon removes part of the voice box -- one vocal cord, part of a cord, or the epiglottis -- and leaves the rest, The stoma opening (tracheostomy) into the trachea, most often, is temporary. After a brief recovery period, the tracheostomy tube is removed, and the stoma closes up.