Anatomical Structure and Components of the Femoral Triangle

Overview

The femoral triangle is a vital anatomical region of the anterior thigh, serving as a passageway for key neurovascular structures. Understanding its boundaries, contents, and clinical relevance is crucial for medical professionals.

Boundaries of the Femoral Triangle

Superior Boundary (Base)

Formed by the inguinal ligament, which stretches from the anterior superior iliac spine to the pubic tubercle.

Medial Boundary

Defined by the medial border of the adductor longus muscle.

Lateral Boundary

Established by the medial border of the sartorius muscle.

Floor

Comprised of the iliopsoas, pectineus, and adductor longus muscles.

Roof

Covered by skin, subcutaneous tissue, and fascia lata.

Contents of the Femoral Triangle

• Femoral nerve – Located outside the femoral sheath.
• Femoral artery – Essential for lower limb blood supply.
• Femoral vein – Accompanies the artery, aiding venous return.
• Deep inguinal lymph nodes – Key components of immune response.

Clinical Significance

Understanding the femoral triangle is crucial for procedures like femoral artery catheterization and assessing vascular pathologies.