Fascinating history of groin hernias: Comprehensive recognition of anatomy, classic considerations for herniorrhaphy, and current controversies in hernioplasty

Figure 1 Wall layers. The abdominal wall at the groin contains the following components: skin, subcutaneous fat, superficial fasciae (Camper’s and Scarpa’s fasciae), innominate (unnamed or untitled) fascia, IL, IAOM, TF, PPS [SPL (anterior subperitoneal fascia) and DVL (posterior subperitoneal fascia)], and peritoneum. DVL: Deeper visceral layer; IAOM: Internal abdominal oblique muscle; IL: Inguinal ligament; PPS: Preperitoneal space; SPL: Superficial parietal layer; TF: Transversalis fascia.