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
Laryngeal web most commonly involves region of: 
Select and explain. 
A. Supraglottitis, B. Glottis, C. Subglottis, D. Both (a) and (b)
B: Glottis
Answer: B: Glottis 
Explanation: Approximately 75% of laryngeal webs involve glottic region and are mainly situated anteriorly. Supraglottis and subglottis are involved less often. A laryngeal web is due to incomplete recanalisalion of the embryonic larynx.