Tympanomastoid surgery is needed for the chronic draining ear or in the case of a cholesteatoma. This surgery involves the middle ear space as well as the mastoid and usually the incision may be through the tympanic membrane (eardrum) or behind the ear. 1 = Mastoid Bone 2 = Middle Ear 3 = Tympanic membrane (eardrum).his surgery involves the middle ear space as well as the mastoid and usually the incision may be through the tympanic membrane (eardrum) or behind the ear. 1 = Mastoid Bone 2 = Middle Ear 3 = Tympanic membrane (eardrum).
After WW1, they built the Maginot Line, along their border with Germany. This was a massive defensive fortifiations with underground bunkers that could be used for troops and support and command and control. In 1940, the Germans defeated this defensive line by attacking through Belgium and going around it.
When Germany lost the war it was divided into 2 with a wall called the Berlin wall, west Germany was controlled by Russia and the east was controlled by the Americans and English. Janchura Â· 7 years ago.Thumbs up. 0.istory when did germany become just germany and why was it west germany whats was the rest is it something to do with the saar and rhineland and world war 2. Update: WHAT DID HITLER DO HELPPPPPPPPPPPPPPPPPP. 1 following.