A hole in a part of this organ can cause an infection to be classified as chronic suppurative [SUH-puh-rah-tiv]. The front of this organ has a bump called a tragus [TRAY-gus], while the back of its pinna is called its helix. 
A hole in a part of this organ can cause an infection to be classified as chronic suppurative [SUH-puh-rah-tiv]. The front of this organ has a bump called a tragus [TRAY-gus], while the back of its pinna is called its helix. The inside of this organ has three semicircular canals, which are near its organ of Corti [KOR-tee] inside of its cochlea [KOE-klee-uh]. Its bones, called ossicles [AH-sih-kuls], are the smallest bones in the human body. They are the malleus, incus, and stapes [STAY-pees], which are commonly called the hammer, stirrup, and anvil. Name these sensory organs used for hearing.
A hole in a part of this organ can cause an infection to be classified as chronic suppurative [SUH-puh-rah-tiv].