Existing anatomy	Our Findings	Actual significance
Posterior wall of the Inguinal Canal(PWIC)	PWIC is mainly composed of four types: 1) TAM and AIOMA fused to form a tendinous layer; 2) IOMA and TAM form the posterior wall of the muscle in the PWIC; 3) IOMA and AIOMA continue in the PWIC; 4) TAM and TAA continue in the PWIC	The tenosynovial tissue of PWIC consists of AEOMA and AIOMA, which run parallel to each other, and this type of population has a low risk of hernia; the other type is staggered, in which the PWIC is only one layer of tenosynovial tissue, and the area where the two layers of the PWIC cross becomes a weak area, which is prone to inguinal hernia.
Transverse Fascia(TF)	TF is a thin fascial tissue with only one layer of membrane structure, TF is not involved in the composition of PWIC	sharp separation is required when surgically freeing the spermatic cord, and that separating the spermatic cord at the inferior margin of the arcuate margin of the inguinal canal is the safest, easy to recognize and separate, and avoids damage to the spermatic cord.
Spermatic Cord(SC)	The spermatic cord that travels in the inguinal canal is fixed to the lower wall of the inguinal canal by the tendon membrane of the cremaster, which is organized from the internal oblique and transversus abdominis muscles and their tendon membranes, The inguinal canal is a musculotendinous canal.