Granulation tissue is replaced by connective tissue in?
## Core Concept
The process of replacing granulation tissue with connective tissue is a key aspect of wound healing. **Granulation tissue**, rich in capillaries, fibroblasts, and inflammatory cells, forms during the proliferative phase of wound healing. It is eventually replaced by more organized **connective tissue** as part of the remodeling phase.
## Why the Correct Answer is Right
The correct answer involves understanding the phases of wound healing. After granulation tissue forms, the next step is the **remodeling phase**, where the granulation tissue is replaced by more organized and stronger connective tissue. This process involves the continued action of fibroblasts, the deposition of collagen, and the eventual reduction of the number of capillaries and inflammatory cells. This results in a stronger scar.
## Why Each Wrong Option is Incorrect
- **Option A:** This option is incorrect because it does not accurately represent a phase or process directly related to the replacement of granulation tissue with connective tissue.
- **Option B:** This option is incorrect because, while it might relate to aspects of tissue repair or remodeling, it does not specifically denote the replacement process in question.
- **Option D:** This option is incorrect because it similarly does not accurately represent the specific process of replacing granulation tissue with connective tissue.
## Clinical Pearl / High-Yield Fact
A key point to remember is that the remodeling phase of wound healing, where granulation tissue is replaced by connective tissue, can last for **up to a year or more** after injury. This phase is crucial for the strengthening of the scar tissue, which initially is only about 20% as strong as normal skin.
**Correct Answer: C. Remodeling.**