This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
Laryngocele arises as herniation of laryngeal mucosa through the following membrane 
Select and explain. 
A. Cricotracheal, B. Crisosternal, C. Cricothyroid, D. Thyrohyoid
D: Thyrohyoid
Answer: D: Thyrohyoid 
Explanation: Laryngocele Laryngocele is an air-filled cystic swelling which occurs due to dilatation of saccule. Saccule is a diveiculum arising from anterior pa of ventricle/sinus of larynx. External laryngocele is one in which distended saccule herniates through the thyrohyoid membrane and presents as a reducible swelling in the neck, which increases in size on coughing or performing Valsalva. Ref:- Mohan Bansal; pg num:-487