Tetanus is caused by an infection with the bacterium Clostridium tetani, which is commonly found in soil, saliva, dust, and manure. The bacteria generally enter through a break in the skin such as a cut or puncture wound by a contaminated object.
Confidence votes 20.9K. Types of ear surgery include stapedectomy, tympanoplasty, myringotomy and ear tube surgery, ear surgery to repair a perforated eardrum, cochlear implants, and tumor removal.  Minor edit? Save Cancel.
Otosclerosis is a condition of the middle ear and mainly affects the tiny stirrup (stapes) bone. It causes gradual hearing loss. Treatments include hearing aids and surgery. The ear is divided into three parts-the outer (external) ear, the middle ear, and the inner ear. The middle ear behind the eardrum is filled with air. Air comes from the back of the nose up a thin channel called the Eustachian tube.