nose

(néz) [L. na’sus]. The special organ of the sense of smell. It consists of a hollow structure occupying the middle of the face, the upper part of which (olfactory region) forms the organ of smell; the lower part (respiratory region), or beginning of the respiratory tract, acts as a filter and warmer of the inspired air. er n., rhinophyma. saddle-n., saddle-back n., swayback n., a nose with a sunken bridge.