Pulp space infection (felon)

The digital pulp is the fleshy mass at the fingertips and is divided into multiple compartments by fibrous septae that provide structural support.
(A) A transverse section through the distal fingertip showing septae that divides the pulp space into compartments.
(B) An abscess involving multiple compartments of the pulp space. An infection of the pulp space is also called a felon.
(C) An example of a tense pulp abscess.