5. Glossary

Acne; acne

A disease of the pilosebaceous follicle characterized by shiny skin, dilated pores and the presence of blackheads (comedones) and whiteheads (microcysts). The inflammatory form corresponds to bacterial proliferation (Propionibacterium acnes) inside these blackheads and whiteheads.

Antibody; antibody

A protein produced by an organism's immune system that reacts to the presence of an antigen.

Antigen; antigen

Substance recognized as foreign to an organism and whose presence triggers the production of antibodies.

Apoptosis; apoptosis

Process of programmed cell death (under the control of complex signaling), necessary for the survival of multicellular organisms.

Autocrine; autocrine...