Inguinal triangle

The Inguinal Triangle (also known as Hesselbach's triangle) is an anatomical region of the lower abdomen. It is named after Franz Kaspar Hesselbach, a German anatomist who first described it in the 19th century.

Etymology

The term "inguinal" comes from the Latin word "inguinale", which refers to the groin. The term "triangle" is derived from the Greek word "triangulum", which means a three-cornered figure. The area is named after Franz Kaspar Hesselbach, who first described it.

Anatomy

The Inguinal Triangle is defined by three boundaries: the inferior epigastric vessels (laterally), the lateral border of the rectus abdominis muscle (medially), and the inguinal ligament (inferiorly). The floor of the triangle is formed by the transversalis fascia and the roof by the transversus abdominis and internal oblique muscles.

Clinical Significance

The Inguinal Triangle is of clinical significance as it is the site where direct inguinal hernias occur. A direct inguinal hernia protrudes through a weakened area in the transversalis fascia of the abdominal wall within the confines of the Inguinal Triangle.

Related Terms

• Inguinal Canal
• Inguinal Ligament
• Inguinal Hernia
• Inferior Epigastric Vessels
• Rectus Abdominis Muscle
• Transversalis Fascia
• Transversus Abdominis Muscle
• Internal Oblique Muscle

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