28. Femoral Triangle Flashcards

1
Q

Which nerves and vessels run through the greater sciatic foramen?

A

Sciatic nerves and vessels

Gluteal nerves and vessels

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2
Q

Which nerve and vessels run through the subinguinal space?

A

Femoral nerve and vessels

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3
Q

Which nerve and vessels run through the obturator canal?

A

Obturator nerve and vessels

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4
Q

Spinal nerve roots of femoral nerve?

A

Posterior divisions of L2, L3, L4

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5
Q

What does the femoral nerve supply?

A

Motor: anterior thigh muscles
Sensory: anterior thigh and medial leg

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6
Q

Spinal nerve roots of obturator nerve?

A

Anterior divisions L2 - L4

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7
Q

What does the obturator nerve supply?

A

Medial thigh muscles and skin (motor and sensory)

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8
Q

Spinal nerve roots of sciatic nerve?

A

L4 - S3

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9
Q

What does the sciatic nerve supply?

A

Posterior thigh

Branches to leg and foot

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10
Q

Into which vein does the great saphenous drain?

A

Femoral vein

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11
Q

Into which vein does the short saphenous drain?

A

Popliteal vein

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12
Q

What are the 2 groups of superficial inguinal lymph nodes?

A

Horizontal - medial and lateral

Vertical

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13
Q

What do the horizontal superficial inguinal lymph nodes drain?

A

Medial - anterior abdo wall, lower half anal canal

Lateral - posterior abdo wall

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14
Q

What do the vertical superficial inguinal lymph nodes drain?

A

Superficial lower limb

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15
Q

What cutaneous nerve supplies the majority of the sensory supply to the anterior thigh?

A

Anterior cutaneous branches of femoral L2, L3, L4

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16
Q

What is the fascia of the lower limb called?

A

Thigh - fasciae latae

Leg - crural fascia

17
Q

What is the iliotibial tract?

A

Lateral thickening of fasciae latae

18
Q

What are the attachment points of the iliotibial tract?

A

Iliac tubercle to

Anterolateral tibial tubercle

19
Q

What makes up the roof of the femoral triangle?

A

Fasciae latae
Cribiform fascia
Subcut tissue
Skin

20
Q

What is the saphenous hiatus?

A

A ‘hole’ in the fascia latae, covered by cribriform fascia and allowing the passing of the great saphenous vein

21
Q

What makes up the boundaries of the femoral triangle?

A

Base - inguinal ligament
Lateral - sartorius
Medial - adductor longus

22
Q

Which muscles make up the floor of the femoral triangle?

A

Iliopsoas

Pectineus

23
Q

What nerves and vessels are found in the femoral triangle?

A

Lateral –> medial

Nerve
Artery
Vein
Lymphatics

24
Q

What is the femoral sheath?

A

Fascia of transversalis and iliopsoas that surrounds the femoral vessels (ultimately blends with the adventitia of these vessels)

25
Q

What is contained within the femoral canal?

A

Fat

Lymphatics