This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Development of GU system and Neuro-vascular supply of pelvis & perineum, Subject name: Anatomy
[{'content': 'A 46-year-old woman has a history of infection in her perineal region. A comprehensive examination reveals a tear of the superior boundary of the superficial perineal space. Which of the following structures would most likely be injured \nSelect and explain. \nA. Pelvic diaphragm, B. Colles fascia, C. Superficial perineal fascia, D. Perineal membrane', 'role': 'user'}, {'content': "Answer: D \nExplanation: The superior (deep) boundary of the superficial perineal space is the perineal membrane (inferior fascia of the urogenital diaphragm). Colle's fascia is the deep membranous layer of the superficial perineal fascia. Deep perineal fascia essentially divides the superficial perineal space into a superficial and deep compament. Pelvic diaphragm consists of the levator ani and coccygeus muscles.", 'role': 'assistant'}]