Tailing of wound suggests:
**Core Concept**
The tailing of a wound refers to the phenomenon where the edges of a wound begin to retract or pull away from the body, often accompanied by a decrease in bleeding. This is typically observed in wounds that have a significant amount of dead tissue or necrosis at the edges.
**Why the Correct Answer is Right**
Tailing of a wound is often indicative of tissue necrosis, which leads to the retraction of the wound edges due to the loss of cellular adhesion and the contraction of the surrounding tissue. The loss of tissue integrity and the subsequent retraction of the wound edges can also be attributed to the release of proteolytic enzymes, such as matrix metalloproteinases (MMPs), which break down the extracellular matrix and facilitate tissue retraction.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is not directly related to the phenomenon of tailing of a wound.
**Option B:** While tissue edema may be present in some wounds, it is not a direct cause of tailing.
**Option C:** Infection is a possible complication of a wound, but it is not the primary reason for tailing.
**Clinical Pearl / High-Yield Fact**
When assessing a wound, it is essential to evaluate the presence of dead tissue, as it can lead to wound infection, delayed healing, and tailing of the wound edges.
**Correct Answer: C. Infection**