Urogenital Diaphragm is made up of all of the following, EXCEPT:
**Core Concept**
The urogenital diaphragm is a fascial layer in the perineum that supports the urethra and provides a barrier against urinary incontinence. It is composed of several layers of fascia and muscles that work together to maintain continence.
**Why the Correct Answer is Right**
The urogenital diaphragm is made up of the superior and inferior fascia of the urogenital diaphragm, the deep transverse perineal muscle, and the perineal body. The correct answer is not part of the urogenital diaphragm, which means it does not contribute to its structure or function. The urogenital diaphragm plays a crucial role in maintaining continence, particularly in females, and any disruption to its structure can lead to urinary incontinence.
**Why Each Wrong Option is Incorrect**
**Option A:** The **superior fascia of the urogenital diaphragm** is indeed a component of the urogenital diaphragm, which means it contributes to its structure and function.
**Option B:** The **inferior fascia of the urogenital diaphragm** is also a component of the urogenital diaphragm, which means it contributes to its structure and function.
**Option C:** The **perineal body** is a component of the urogenital diaphragm, which means it contributes to its structure and function.
**Clinical Pearl / High-Yield Fact**
The urogenital diaphragm is a critical structure in maintaining continence, particularly in females. Any disruption to its structure, such as injury or surgery, can lead to urinary incontinence.
**Correct Answer: D**