Emphysema is a long-term, progressive disease of the lungs that primarily causes shortness of breath due to over-inflation of the alveoli (air sacs in the lung). In people with emphysema, the lung tissue involved in exchange of gases (oxygen and carbon dioxide) is impaired or destroyed.Emphysema is included in a group of diseases called chronic obstructive pulmonary disease or COPD (pulmonary refers to the lungs).n people with emphysema, the lung tissue involved in exchange of gases (oxygen and carbon dioxide) is impaired or destroyed. Emphysema is included in a group of diseases called chronic obstructive pulmonary disease or COPD (pulmonary refers to the lungs).
Tonsil stones, which are known scientifically as âtonsillolithsâ, are discrete accumulations of hardened calcium, food debris, mucus and bacteria. Other various anaerobic sulfur compounds are also found in the stones.
Tonsil, small mass of lymphatic tissue located in the wall of the pharynx at the rear of the throat of man and other mammals. In man the term is used to designate any of three sets of tonsils, most commonly the palatine tonsils. These are a pair of oval-shaped masses protruding from each side of the oral pharynx behind the mouth cavity. The exposed surface of each tonsil is marked by numerous pits that lead to deeper lymphatic tissue.