In anatomy, a nasal concha (or turbinate) is a long, narrow and curled bone shelf (shaped like an elongated sea-shell) that protrudes into the breathing passage of the nose. Turbinate bone refers to any of the scrolled spongy bones of the nasal passages in vertebrates. In humans, the turbinates divide the nasal airway into four groove-like air pas... Found on http://en.wikipedia.org/wiki/Nasal_concha
any of several thin, scroll-shaped bony elements forming the upper chambers of the nasal cavities. They increase the surface area of these cavities, ... [5 related articles] Found on http://www.britannica.com/eb/a-z/n/9