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.
open wound one that communicates directly with the atmosphere. penetrating wound one caused by a sharp, usually slender, object that passes through the skin into the underlying tissues. perforating wound a penetrating wound that extends into a viscus or bodily cavity. puncture wound penetrating wound. sucking wound a penetrating wound of the chest through which air is drawn in and out, as in open pneumothorax. tangential wound an oblique glancing wound that results in one edge being undercut.