The surname Murchison was first found in Inverness, where they held a family seat from very ancient times. They are believed to be descended from Murdoch, a natural son of Angus Mor of Islay of the Clan Donald.
Tunneling means that a wound has channels extending from the central injury into the surrounding tissue, such as muscle and skin. These tunnels inhibit the wound's healing rate, as the flesh is unable to maintain contact long enough for the mending process to initiate.
Negative Pressure Wound Therapy and Tunneling. Tunneling is not a contraindication for NPWT; in fact, this therapy has been used successfully on wounds with extensive tunneling. The wound, including any tunnels, should be dressed/packed according to best practice (not too tightly or loosely).