for travel outside the united states canada puerto rico and the u s virgin islands the change fee for delta marketed flights is typically $ 200 to $ 500 but can vary based on location and type of farechanges are usually permitted only to the return portion of an international itineraryased on the fare rules you may have to pay a service fee and or a difference in fare for travel within the 50 united states canada puerto rico and the u s virgin islands the fee is $ 200 for delta marketed flights
bronÂ·chiÂ·ecÂ·taÂ·sis. Chronic dilation of bronchi or bronchioles as a sequel of inflammatory disease or obstruction often associated with heavy sputum production. Synonym(s): bronchiectasia. [bronchi- + G. ektasis, a stretching]. /bronÂ·chiÂ·ecÂ·taÂ·sis/ (brongâ³ke-ekÂ´tah-sis) chronic dilatation of one or more bronchi.
Dilation. The word dilation, in terms of human physiology, means to 'relax, open, or widen.' This is usually used in structures where materials are allowed to pass. Dilation is an autonomic process, which means you cannot consciously control it.ut when it is time for birth, the smooth muscle of the cervix relaxes, causing the cervix to dilate, or open wider. In this example, dilation is used by the smooth muscle of the cervix to allow the passage of a newborn child from the uterus to the birth canal.