<prompt> All of the following are boundaries of Trautmans triangle except:Sigmoid sinusInferior petrosal sinusSuperior petrosal sinusBony labyrinth  <response>: Ans b: Inferior petrosal sinusBoundaries of Trautmans triangle-Boundaries of Citelles angle -Bony labyrinthSigmoid sinusSigmoid sinusSuperior petrosal sinusMiddle fossa dura plateSolid angle- angle formed by three semicircular canalsContent of canal of Huguier- Chorda tympaniDorellos canalIts the groove of 5th nerve- bw petrous tip and sphenoid bone. 