system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Shortest length of middle ear:
assistant
The correct answer is  Ans. (a) 2 mmRef: Dhingra's ENT 6th ed./ 9-10* Length of middle ear canal:# Epitympanum- 6mm# Mesotympanum- 2mm# Hypotympanum- 4mm* Shortest distance between tympanic membrane to promontory: 2mm.