מוגלה

Pus is an exudate, typically white-yellow, yellow, or yellow-brown, formed at the site of inflammation during bacterial or fungal infection. An accumulation of pus in an enclosed tissue space is known as an abscess, whereas a visible collection of pus within or beneath the epidermis is known as a pustule, pimple or spot.

Pus consists of a thin, protein-rich fluid (historically known as liquor puris) and dead leukocytes from the body's immune response (mostly neutrophils). During infection, macrophages ...