Abscess:  A localized accumulation of pus, surrounded by inflammatory swelling, as a reaction to an infection. 
Anogenital:  Of the genitals and anus. 
Asymptomatic:  Carrying the disease or condition without showing symptoms.
Autoinoculation:  The removal of cells from a body, followed by alteration and reinsertion of cells into the same body. 
Cesarean:  Surgery of birth involving incisions in the abdomen rather than vaginal delivery.  Also called C-section. 
Condyloma:  Genital warts.
Congenital:  Present at birth.
Cutaneous:  Of the skin.
Fistula:  An abnormal connection between two vessels or organs that do not normally connect. 
Immunosuppression:  Reduced efficacy or activation of the body’s immune system.  Immunosuppressed individuals include those with AIDS, cancer, and other conditions, as well as patients that undergo organ transplantations. 
Keratinized:  Dead cells that have lost their nucleus and cytoplasm and contain toughness due to keratin protein.
Mucosal epithelium:  Tissue cells of the body’s mucous membrane linings. 
Nanometer:  One-billionth of a meter.
Papules:  Small, raised bumps on the skin.