This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
All of the following are components of urogenital diaphragm except: 
Select and explain. 
A. Sphincter urethrae, B. Superficial transverse perineii, C. Deep transverse perineii, D. Superficial fascia of urogenital diaphragm
B: Superficial transverse perineii
Answer: B: Superficial transverse perineii 
Explanation: Between the 2 fascial layers (fatty/ superficial and deep/ Colle's fascia) of the urogenital diaphragm lie deep transverse perineii; superficial to the proximal urethral sphincter mechanismUrogenital diaphragmIt is a triangular musculo fascial diaphragm situated in the anterior pa of perineum filling the gap of the pubic arch.Components of urogenital diaphragm:- Deep transverse perinei musclesSphincter urethrae- Superior/ superficial fascia of urogenital diaphragm- Inferior/ deep fascia of urogenital diaphragm (Perineal membrane)Colles fascia does not form a pa of urogenital diaphragm, but it is attached to the posterior border of urogenital diaphragm