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22-11-29 02:22 微博认证:李珈贤健康频道签约博主

#医学生Medic[超话]#
ANATOMY OF FEMORAL TRIANGLE

The femoral triangle, a subfascial formation, is a triangular landmark useful in dissection and in understanding relationships in the groin. In living people, it appears as a triangular depression inferior to the inguinal ligament when the thigh is flexed, abducted and laterally rotated. The femoral triangle is bounded.

Surface anatomy of femoral triangle

A. Surface anatomy
B. Underlying structures

✅ Superiorly by the inguinal ligament that forms the base of the femoral triangle
✅ Medially by the lateral border of the adductor longus
✅ Laterally by the sartorius

The muscular floor of the femoral triangle is formed by the iliopsoas laterally and the pectineus medially. The roof of the femoral triangle is formed by the fascia lata and cribriform fascia, subcutaneus tissue and skin.
The inguinal ligament actually serves as a flexor retinaculum, retaining structures that pass anterior to the hip joint against the joint during flexion of the thigh. Deep to the inguinal ligament, the retro-inguinal space is an important passageway connecting the trunk/abdominopelvic cavity to the lower limb.

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