I can even blow bubbles out of it when I’m underwater ... is a classic sign of a perforated eardrum. The eardrum (or tympanic membrane) is a paper-thin structure that separates the outer ...

What Causes a Tympanic Membrane Retraction ... then spreads to the middle ear space or the mastoid bone located behind the ear. The eardrum usually sheds dead skin into the ear canal, which ...

Here we show that lower-to-upper jaw transformation induced by inactivation of the Endothelin1-Dlx5/6 cascade involving Goosecoid results in loss of the tympanic membrane in mouse, but causes ...