The femoral triangle is an area in the inguinal region that is shaped like an upside-down triangle. The femoral triangle contains the femoral nerve, artery, and vein, and the lymphatics. The femoral triangle is an area in the inguinal region that is shaped like an upside-down triangle and is bordered by the sartorius muscle, adductor longus muscle and inguinal ligament. The femoral triangle contains the following structures from lateral to medial (Figure 36-3A):
Femoral nerve. Originates as a branch of the lumbar plexus. The femoral nerve is not contained within the femoral sheath.
Femoral artery. Continuation of the external iliac artery. The femoral artery is located midway between the anterior superior iliac spine and the pubic symphysis. Femoral vein. Continues as the external iliac vein. Lymphatics.
Often, the acronym NAVL is used to represent the orientation of the structures of the femoral triangle. The inferior portion of the femoral triangle communicates with a facial canal (adductor canal) that runs deep to the sartorius muscle.
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