Medical dictionary. 2011.
Emphysema — 1) A lung condition featuring an abnormal accumulation of air in the lung s many tiny air sacs, a tissue called alveoli. As air continues to collect in these sacs, they become enlarged, and may break, or be damaged and form scar tissue. Emphysema … Medical dictionary
Emphysema — For the condition describing air trapped under the skin, see subcutaneous emphysema. Emphysema Classification and external resources A lateral chest x ray of a person with emphysema. Note the barrel chest and flat diaphragm … Wikipedia
focal emphysema — focal dust emphysema centriacinar emphysema associated with inhalation of environmental dusts, producing dilatation of the terminal and respiratory bronchioles … Medical dictionary
pulmonary emphysema — a condition of the lung characterized by an abnormal increase in the size of air spaces distal to the terminal bronchioles. Types named according to location of the damage include centriacinar e., distal acinar e., and panacinar e … Medical dictionary
respiratory disease — ▪ human disease Introduction any of the diseases and disorders that affect human respiration (respiration, human). Diseases of the respiratory system may affect any of the structures and organs that have to do with breathing, including the… … Universalium
Chronic obstructive pulmonary disease — Classification and external resources Gross pathology of a lung showing centrilobular type emphysema characteristic of smoking. This close up of the fixed, cut lung surface shows multiple cavit … Wikipedia
acinus — One of the minute grape shaped secretory portions of an acinous gland. Some authorities use the terms a. and alveolus interchangeably, whereas others differentiate them by the constricted openings of the a. into the excretory duct. [L. berry,… … Medical dictionary
acinus — n.; pl. acini 1) a small sac or cavity surrounded by the secretory cells of a gland. Some authorities regard the term as synonymous with alveolus, but others distinguish an acinus by the possession of a narrow passage (lumen) leading from the sac … The new mediacal dictionary
