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: ENT
Laryngocele arises as a herniation of laryngeal mucosa through which of the following membrane? 
Select and explain. 
A. Thyrohyoid, B. Cricothyroid, C. Cricosternal, D. Cricotracheal
A: Thyrohyoid
Answer: A: Thyrohyoid 
Explanation: An external laryngocele arises as a result of herniation of the laryngeal mucosa through the thyrohyoid membrane and presents in the neck.