Femoral Triangle Flashcards

1
Q

what are the nerves of the lumbar plexus

A

iliohypogastric, ilioinguinal, gentiofemoral, lateral cutaneous nerve of the thigh, lumbrosacral trunk, femoral an obturator

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2
Q

what exits the pelvis via the greater sciatic foramen

A

sciatic and gluteal nerves

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3
Q

where does the femoral nerve and vessels exit the pelvis

A

subinguinal space

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4
Q

where does the obturator nerve exit the pelvis from

A

the obturator canal

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5
Q

what is the femoral nerve composed of

A

anterior divisions of L2, L3 and L4

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6
Q

what does the femoral nerve innervate

A

the anterior thigh

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7
Q

what is the obturator nerve compose of

A

anterior divisions from L2, L3 and L4

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8
Q

what does the obturator nerve innervate

A

the medial thigh

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9
Q

what is the sciatic nerve composed of

A

divisions from the lumbrosacral trunk and sacral nerves S1, S2 and S3

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10
Q

what does the sciatic nerve innervate

A

the posterior thigh

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11
Q

what do the branches of the sciatic nerve innervate

A

leg and foot

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12
Q

what are the superficial structures of the femoral triangle

A

superficial veins, superficial lymph nodes, cutaneous nerves and deep fascia

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13
Q

describe the deep fascia

A

extremely tough connective tissue

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14
Q

what are the superficial veins

A

the great and short saphenous veins, accessory saphenous veins, superficial circumflex iliac and the superficial epigastric

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15
Q

where does the great saphenous vein begin

A

at the big toe

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16
Q

what are the two groups of superficial lymph nodes

A

horizontal and vertical

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17
Q

what does the horizontal group of superficial lymph nodes contain

A

medial nodes and lateral nodes

18
Q

what area do the medial nodes drain

A

the anterior abdominal wall and the lower wall of the anal canal

19
Q

where do the lateral nodes drain

A

the posterior abdominal wall

20
Q

where do the vertical lymph nodes drain

A

the superficial lower limb

21
Q

what are the two regions of deep fascia within the lower limb

A

fasciae latae and crural fascia

22
Q

fasciae latae

A

covers the thigh and thickens laterally to form the iliotibial tact

23
Q

where does the iliotibial tract run from/to

A

iliac tubercle to the anterolateral tibial tubercle

24
Q

what is the function of the iliotibial tract

A

helps support the femur on the tibia while standing

25
Q

where does the crural fascia cover

A

the leg

26
Q

what is the femoral triangle

A

triangular shape on the anterior surface of the upper thigh

27
Q

what is the roof of the femoral triangle composed of

A

fascia latae, cribriform fascia, subcutaneous tissue and skin

28
Q

what is the space within the fasciae latae of the femoral triangle called

A

saphenous hiatus

29
Q

what does the sapgenous hiatus allow

A

the passage of vessels out of the femoral triangle

30
Q

what is special about cribriform fascia

A

it has holes in it

31
Q

where does the great saphenous vein drain into the femoral vein

A

at the femoral triangle

32
Q

what is the base of the femoral triangle formed y

A

the inguinal ligament

33
Q

what forms the lateral boundary of the femoral triangle

A

sartorius

34
Q

what forms the medial boundary of the femoral triangle

A

adductor longus

35
Q

what is the floor of the femoral triangle composed of

A

iliopsoas and pectineus

36
Q

what is within the femoral triangle

A

femoral vein, femoral artery, femoral nerve and lymphatics (VANL)

37
Q

what is the femoral sheath

A

the connective tissue surrounding the vascualr structures

38
Q

what is the femoral sheath composed of

A

transversalis and iliopsoas fascia and the adventitia of the femoral vessels

39
Q

what is the femoral canal

A

a potential space within the femoral sheath

40
Q

what is within the femoral canal

A

lymphatics and fat