Femoral Triangle Flashcards
Lumbar Plexus
Pelvis - Lower limb transition
Femoral Nerve
Root value and supply to
L2,3,4 - supply to anterior thigh
Obturator Nerve
Root value and supply to
L2,3,4 - supply to medial thigh
Sciatic Trunk
Root value and supply
Lumbosacral trunk - L4,L5
Sacral nerves - S1,2,3
Posterior thigh, leg and foot
Superficial Inguinal Lymph nodes
Horizontal group
Medial nodules drain anterior abdominal wall and lower half of anal canal.
Lateral nodes drain posterior abdominal wall
Superficial Inguinal Lymph nodes
Vertical group
Drain superficial lower limb
Cutaneous Nerves
Deep fascia of the lower limb
Fascia latae
Thickened laterally to form the Iliotibial tract.
Crural fascia supports femur on tibia when standing.
Femoral triangle
Roof
Fascia latae, cribriform fascia, subcutaneous tissue, skin
Femoral triangle
Saphenous hiatus
Cribriform fascia. Great saphenous vein drains to femoral vein.
Femoral triangle
Boundaries
Inguinal ligament (base)
Sartorius (laterally)
Adductor Longus (medially)
Femoral triangle
Floor
Iliopsoas and pectineus
Femoral Triangle
Contents
Femoral artery, nerve and vein
Femoral Sheath
Fasia surroundign vascular structures
Transversalis and iliopsoas fascia, and the adventitia of femoral vessels