Skin covers the entire body, and acts as a protective barrier. Scar tissue forms as skin heals after an injury (such as an accident) or surgery. The amount of scarring may be determined by the size, depth
Tooth extraction: MedlinePlus Medical Encyclopedia
Cerebral shunt - Wikipedia
Microdiskectomy - series—Aftercare: MedlinePlus Medical Encyclopedia
Surgical Procedures: Pneumonectomy
Heart block: Types, causes, symptoms, and risk factors
MedlinePlus Medical Encyclopedia:Scar revision - series: Procedure
Appendicitis: MedlinePlus Medical Encyclopedia
Puerperal Fever: Types, Causes, Diagnosis, and More
Large bowel resection - Series