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Arch Surg. 2002;137:1376.

	Since this article does not have an abstract, we have provided the first 95 words of the full text and any section headings.

The superficial inguinal ring is an oblique triangular opening, one inch in length, whose center lies above the pubic tubercle. Its apex is lateral to the pubic tubercle and a base is formed by the lateral half of the pubic crest which is medial to the tubercle. The two sides of the ring, known as the upper and lower crura, are thickened portions of the external oblique aponeurosis. This superficial sheet of curved fibers, the intercrural fibers, lying lateral to the apex of the ring, blend with the aponeurosis and prevents the crura from spreading.¹

1. Boileau Grant JC. A Method of Anatomy: Descriptive and Deductive. 5th ed. Baltimore, Md: Williams & Wilkins Co; 1952:212-213.