28. Femoral Triangle Flashcards
Which nerves and vessels run through the greater sciatic foramen?
Sciatic nerves and vessels
Gluteal nerves and vessels
Which nerve and vessels run through the subinguinal space?
Femoral nerve and vessels
Which nerve and vessels run through the obturator canal?
Obturator nerve and vessels
Spinal nerve roots of femoral nerve?
Posterior divisions of L2, L3, L4
What does the femoral nerve supply?
Motor: anterior thigh muscles
Sensory: anterior thigh and medial leg
Spinal nerve roots of obturator nerve?
Anterior divisions L2 - L4
What does the obturator nerve supply?
Medial thigh muscles and skin (motor and sensory)
Spinal nerve roots of sciatic nerve?
L4 - S3
What does the sciatic nerve supply?
Posterior thigh
Branches to leg and foot
Into which vein does the great saphenous drain?
Femoral vein
Into which vein does the short saphenous drain?
Popliteal vein
What are the 2 groups of superficial inguinal lymph nodes?
Horizontal - medial and lateral
Vertical
What do the horizontal superficial inguinal lymph nodes drain?
Medial - anterior abdo wall, lower half anal canal
Lateral - posterior abdo wall
What do the vertical superficial inguinal lymph nodes drain?
Superficial lower limb
What cutaneous nerve supplies the majority of the sensory supply to the anterior thigh?
Anterior cutaneous branches of femoral L2, L3, L4
What is the fascia of the lower limb called?
Thigh - fasciae latae
Leg - crural fascia
What is the iliotibial tract?
Lateral thickening of fasciae latae
What are the attachment points of the iliotibial tract?
Iliac tubercle to
Anterolateral tibial tubercle
What makes up the roof of the femoral triangle?
Fasciae latae
Cribiform fascia
Subcut tissue
Skin
What is the saphenous hiatus?
A ‘hole’ in the fascia latae, covered by cribriform fascia and allowing the passing of the great saphenous vein
What makes up the boundaries of the femoral triangle?
Base - inguinal ligament
Lateral - sartorius
Medial - adductor longus
Which muscles make up the floor of the femoral triangle?
Iliopsoas
Pectineus
What nerves and vessels are found in the femoral triangle?
Lateral –> medial
Nerve
Artery
Vein
Lymphatics
What is the femoral sheath?
Fascia of transversalis and iliopsoas that surrounds the femoral vessels (ultimately blends with the adventitia of these vessels)
What is contained within the femoral canal?
Fat
Lymphatics
