Mucoperichondrial flap in septoplasty is made on-
**Core Concept**
The mucoperichondrial flap is a surgical technique used in septoplasty to correct deviations of the nasal septum. This procedure involves elevating a flap of mucoperichondrium from the cartilaginous septum to allow for repositioning of the septal cartilage.
**Why the Correct Answer is Right**
The mucoperichondrial flap is made on the mucoperichondrium, a layer of connective tissue that covers the cartilaginous septum. This layer is composed of a thin layer of mucous membrane and a thicker layer of fibrous tissue. The mucoperichondrium is elevated from the underlying cartilage using a periosteal elevator, allowing the surgeon to access and reposition the septal cartilage. The mucoperichondrial flap is then replaced over the cartilage, ensuring that the mucous membrane is reapproximated to the underlying cartilage.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specify the correct layer of tissue that the mucoperichondrial flap is made from.
**Option B:** This option is incorrect because it refers to a different surgical procedure, such as a turbinoplasty, which involves resecting or reducing the size of the nasal turbinates.
**Option C:** This option is incorrect because it refers to a different type of tissue, such as the periosteum, which is a layer of connective tissue that surrounds the bones.
**Clinical Pearl / High-Yield Fact**
The mucoperichondrial flap is a delicate surgical technique that requires careful handling to avoid damaging the underlying cartilage or the mucous membrane. A key point to remember is that the mucoperichondrial flap should be elevated in a single layer, rather than in multiple layers, to minimize the risk of damage to the underlying tissue.
**Correct Answer:** B. The mucoperichondrial flap is made on the mucoperichondrium.