Respiratory disease Respiratory disease Respiratory disease is a medical term that encompasses pathological conditions affecting the organs and tissues that make gas exchange possible in higher organisms, and includes conditions of the upper respiratory tract, trachea, bronchi, bronchioles, alveoli, pleura and pleural cavity, and the nerves and muscles of breathing. Respiratory diseases range from mild and self-limiting, such as the common cold, to life-threatening entities like bacterial pneumonia, pulmonary embolism, acute asthma and lung cancer. The study of respiratory disease is known as pulmonology. A doctor who specializes in respiratory disease is known as a pulmonologist, a chest medicine specialist, a respiratory
Supernumerary body part sometimes represented as having numerous breasts. This was particularly notable in the cult of Artemis (Diana) celebrated in the ancient city of Ephesus, in modern Turkey. In Japanese mythology, the god of the sea and storms, Susanoo, is sometimes depicted as having a third arm. In Hungarian mythology, having six fingers on a hand (polydactyly) is held to be the sign of innate supernatural power (see táltos). In the Bible, Goliath has brothers who have six fingers and six toes. Supernumerary body part Supernumerary body parts are most commonly a congenital disorder involving the growth of an additional part of