Carina of trachea carina is the most sensitive area of the trachea and larynx for triggering a cough reflex. Widening and distortion of the carina is a serious sign because it usually indicates carcinoma of the lymph nodes around the region where the trachea divides. Tracheobronchial injury, an injury to the airways, occurs within 2.5 cm of the carina 60% of the time. Carina of trachea In anatomy, the carina is a ridge of cartilage in the trachea that occurs between the division of the two main bronchi. This occurs at the lower end of the trachea (usually at the level of the
The Human Body (TV series) programmes on the human body. The series was produced by Richard Dale and presented by Professor Robert Winston, a fertility expert. The series used a variety of different techniques to present the topics being discussed, including endoscopes and computer graphics for internal shots, time-lapse photography to show the growth of hair and nails, magnetic resonance imaging and scanning electron microscopy. The series gained 6.3 million viewers and an audience share of 38%. The series was nominated for numerous awards, winning several, including three BAFTA awards, four RTS awards and a Peabody Award. A DVD of the series was released in