Emphysema (disambiguation)

Look up emphysema in Wiktionary, the free dictionary.

Emphysema in the broadest sense of the word is pneumatosis, that is, any abnormal accumulation of air or other gas within animal tissues. In the most common sense of the word it is, more specifically, pulmonary emphysema, which is a type of chronic obstructive pulmonary disease.

Types of emphysema include the following:

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