As already described before, the most used flange types acc. to ASME B16.5 are: Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded and Blind flange. Below you will find a short description and definition of each type, completed with an detailed image. Most common flange types.
Medical Definition of subungual. : situated or occurring under a fingernail or toenail a subungual abscess.
So now the important part: what to look for. âEarly stages of subungual melanoma are indicated with a pigmented stripe in the nail with no history of trauma,â Yeldell notes. The stripeâcalled Hutchinsonâs signâis often wider at the base and narrower toward the edge of the nail.