An empyema (from Greek ἐμπύημα, "abscess") is a collection or gathering of pus within a naturally existing anatomical cavity. For example, pleural empyema is empyema of the pleural cavity. It must be differentiated from an abscess, which is a collection of pus in a newly formed cavity.
A collection of pus within a naturally existing anatomical cavity (as opposed to an abscess, which occurs in a newly formed cavity).
An abnormal accumulation of air or other gas in tissues, most commonly the lungs.
Pulmonary emphysema, a chronic lung disease, one type of chronic obstructive pulmonary disease.
A collection of blood, pus, or other fluid, in some cavity of the body, especially that of the pleura.
A swelling produced by gas or air diffused in the cellular tissue.
a collection of pus in a body cavity (especially in the lung cavity)
an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age
We've detected that you are using AdBlock Plus or some other adblocking software which is preventing the page from fully loading.
We don't have any banner, Flash, animation, obnoxious sound, or popup ad. We do not implement these annoying types of ads!
We need money to operate the site, and almost all of it comes from our online advertising.
Please add askdifference.com to your ad blocking whitelist or disable your adblocking software.