<unk>  is an exudate, typically white-yellow, yellow, or yellow-brown, formed at the site of inflammation during bacterial or fungal infection. An accumulation of<unk>  in an enclosed tissue space is known as an abscess, whereas a visible collection of<unk>  within or beneath the epidermis is known as a<unk> tule, pimple or spot.
Pus
Callus
Papule
Hair whorl
Crown 
Lockets
Dieuches
Blood blister