Femoral Triangle Flashcards
What goes through the greater sciatic foramen?
Sciatic and gluteal nerves and vessels
What passes through the Subinguinal space?
Femoral nerve and vessels
What passes through the Obturator Canal?
Obturator nerve and vessels
What kind of divisions does the femoral nerve have?
Posterior
What are the roots of the femoral nerve?
L2,3,4
What does it innervate?
Anterior thigh
What kind of division does the Obturator nerve have?
Anterior
What are the roots of the Obturator nerve?
L2,3,4
What does the Obturator nerve innervate?
Medial thigh
Roots of Lumbosacral trunk?
L4,5
Roots of Sacral nerves?
S1,2,3
What do the branches of the sacral nerves supply?
Leg and foot
Where does the Sacral nerves innervate?
Posterior thigh
What are the superficial structure of the femoral triangle?
Superficial veins
Superficial lymph nodes
Cutaneous nerves
Deep fascia
What are the two groups of superficial inguinal lymph nodes?
Horizontal and Vertical
Where does lymph drain in the vertical group?
Superficial lower limb
Where does lymph drain in the horizontal group?
Medial nodes drain anterior abdominal wall and lower half of anal canal and lateral nodes drain posterior abdominal wall
Roots of lateral Cutaneous branch?
T12
Roots of Femoral branch of Genitofemoral?
L1, L2
Root of ilioinguinal?
L1
Root of lateral cutaneous nerve of thigh?
L2 and L3
Root of cutaneous branch of obturator?
L2, L3 and L4
Roots of anterior cutaneous branches of femoral?
L2, L3 and L4
Why is the fascia latae thickened laterally?
To form the iliotibial tract
Where does the deep fascia of the lower limb attach to?
Iliac tubercle to the anterolateral tibial tubercle
What is the function of the fasciae latae?
Helps support the femur on the tibia when standing
What are the two different fascia of the lower limb?
Fascia Latae and Crural fascia
What is the femoral triangle?
Triangular shape on anterior upper thigh
What forms the roof of the femoral triangle?
Fascia Latae, Cribriform fascia, subcutaneous tissue and skin
What makes up and passes through the Saphenous Hiatus?
Cribriform fascia, great saphenous van which drains into femoral vein
What are the boundaries of the femoral triangle?
Base - Inguinal ligament
Laterally - Sartorius
Medially - Adductor Longus
What makes up the floor of the femoral triangle?
Ilipsoas and Pectineus
What are the contents of the femoral triangle from lateral to medial?
Femoral nerve, femoral artery and femoral vein
What is contained in the femoral sheath?
Transversalis and iliopsoas fascia, adventitia of femoral vessels
What is the potential space medially within femoral sheath?
Femoral canal
What is contained in the femoral canal?
Fat and lymphatics
