Femoral Triangle Flashcards
What structure are the femoral artery, vein and lymphatics contained in?
The femoral sheath
What is the name of the gap within the most medial part of the femoral triangle that contains lymphatics?
Femoral canal
What nerve gives cutaneous innervation with the thigh?
Lateral cutaneous nerve of the thigh
What nerve supplies the muscles of the anterior compartment of the thigh?
Femoral nerve
What nerve supplies all the muscles of the medial compartment of the thigh?
Obturator nerve
What nerve supplies the muscles of the posterior compartment of the thigh?
Sciatic nerve
What nerve branches unite to forms the sciatic nerve?
L4, L5 join with S1-S3
What nerves supply the gluteal region?
Gluteal nerves
How do the sciatic and gluteal nerves reach the lower limb?
By passing through the greater sciatic foramen
How do the femoral nerve and vessels reach the lower limb?
By passing through the subinguinal space
How to the obturator nerve and vessels reach the lower limb?
Via the obturator canal
What nerve fibres are carries by the femoral nerve?
L2, 3, 4
What nerve fibres are carried by the obturator nerve?
L2, 3, 4
Which nerve carries fibres from the POSTERIOR division of their spinal nerves L2, 3, 4?
Femoral nerve
Which nerve carries fibres from the ANTERIOR division of their spinal nerves L2, 3, 4?
Obturator nerve
What nerve fibres does the sciatic nerve carry?
L4, L5, S1, S2, S3
What are the two main superficial veins of the lower limb?
- Great saphenous vein
- Short saphenous vein
Where does the great saphenous vein drain?
Femoral vein
Which two superficial veins, other than the great saphenous, drain into the femoral vein?
- Superficial epigastric vein
- Superficial circumflex vein
Where does the accessory saphenous vein drain?
Into the great saphenous vein
Where does the short saphenous vein drain?
Into the popliteal vein
What group of lymph nodes drain the superficial lower limb?
The vertical group of superficial inguinal nodes
What nerve provides the majority of cutaneous innervation on the ANTERIOR part of the thigh?
The femoral nerve
Name the structure that is thickened to form the iliotibial tract and runs down the lateral side of the thigh
Fasciae latae
Where is the crural fascia found?
In the leg between the knee and ankle
Name the structure that attaches superiorly to the thigh and extends down the lateral side to attach to the anterolateral tubercle of the tibia?
Iliotibial tract
What makes up the roof of the femoral triangle?
- Fasciae latae
- Cribriform fascia
- Subcutaneous tissue
- Skin
What forms the base of the femoral triangle?
The inguinal ligament
What forms the lateral wall of the femoral triangle?
Sartorious muscle
What forms the medial wall of the femoral triangle?
Adductor longus muscle
What forms the floor of the femoral triangle?
- Iliopsoas muscle
- Pectineus muscle
What are the contents of the femoral triangle from lateral to medial?
- Nerve
- Artery
- Vein
- Lymphatics
What does the femoral sheath blend with sueriorly?
Transversalis fascia and fascia covering the iliopsoas muscle
What does the femoral sheath blend with distally?
The adventitia surrounding the femoral vessels
