Middle ear ear and throat. The primary function of the middle ear is to efficiently transfer acoustic energy from compression waves in air to fluid–membrane waves within the cochlea. The middle ear contains three tiny bones known as the ossicles: "malleus", "incus", and "stapes". The ossicles were given their Latin names for their distinctive shapes; they are also referred to as the "hammer", "anvil", and "stirrup", respectively. The ossicles directly couple sound energy from the ear drum to the oval window of the cochlea. While the stapes is present in all tetrapods, the malleus and incus evolved from lower and upper jaw
Ear piercing instrument it with a piercing gun, which later required reconstructive surgery. This is one area where both the body piercing community and supporters of piercing guns do agree, and most responsible manufacturers of piercing guns strongly advise against such use. However, some less reputable users of piercing guns still continue to offer such piercings. Ear piercing instrument An ear piercing instrument (commonly referred to as a piercing gun or an ear piercing gun) is a device designed to pierce earlobes by driving a pointed starter earring through the lobe. Piercing guns may be reusable or disposable. Piercing guns are typically used