Intercrural fibres of superficial inguinal ring

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Anatomical feature of the inguinal region


General Information
Latin fibrae intercrurales anuli inguinalis superficialis
Greek
TA98
TA2
FMA
Details
System Inguinal canal
Artery
Vein
Nerve
Lymphatic drainage
Precursor
Function
Identifiers
Clinical significance
Notes


The intercrural fibres of the superficial inguinal ring are connective tissue fibers that play a crucial role in the structural integrity of the inguinal canal. These fibers are part of the external oblique muscle's aponeurosis and are located in the lower anterior abdominal wall.

Anatomy[edit | edit source]

The superficial inguinal ring is an opening in the aponeurosis of the external oblique muscle, which forms the anterior wall of the inguinal canal. The intercrural fibres are situated above this opening and serve to reinforce the margins of the ring, preventing it from tearing or widening excessively.

The intercrural fibres run obliquely and horizontally, interconnecting the two crura (medial and lateral) of the superficial inguinal ring. These fibers help maintain the shape and size of the ring, which is essential for the passage of structures such as the spermatic cord in males and the round ligament of the uterus in females.

Function[edit | edit source]

The primary function of the intercrural fibres is to provide support and stability to the superficial inguinal ring. By reinforcing the ring, these fibers help prevent inguinal hernias, which occur when abdominal contents protrude through a weakened area of the abdominal wall.

Clinical significance[edit | edit source]

Weakness or damage to the intercrural fibres can lead to an increased risk of inguinal hernias. Surgical procedures that repair hernias often involve reinforcing the area around the superficial inguinal ring, sometimes using mesh to provide additional support.

Also see[edit | edit source]

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