Scutum is ?
Ans. is 'a' i.e., Bony pa of outer attic wall The lateral wall of the middle ear is formed largely by the tympanic membrane and to a lesser extent by the bony outer attic wall called the scutum.
Bony pa of outer attic wall
Bony pa of inner attic wall
Cailaginous pa of outer attic wall
Cailagenous pa of inner attic wall