Lab 20-22: Anterior Thigh Flashcards

1
Q

location of prepatellar bursa and infrapatellar bursa

A

prepatellar - anterior to patella

infrapatellar - near tibial tuberosity

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2
Q

longest vein in the body

A

great saphenous v

-embedded in superficial fascia for entire course

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3
Q

describe the saphenous opening

A

opening in the fascia lata inferior to the medial part of the inguinal ligament, about 4 cm inferolateral to the pubic tubercle

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4
Q

covers the saphenous opening

A

cribiform fascia

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5
Q

the superior, lateral and inferior borders of the saphenous opening form a crescent shaped edge called

A

falciform margin

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6
Q

veins and arteries emerging through the saphenous opening

A

superficial epigastric
superfiical and deep external pudendal

the veins will all drain into great saphenous

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7
Q

vasculature piercing through fascia lata slightly lateral to the saphenous opening

A

superficial circumflex iliac a and v

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8
Q

n. pierces fascia lata about 10 cm below the ASIS and supplies skin on anterior and lateral aspect of thigh

A

lateral femoral cutaneous n

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9
Q

n. pierces fascia lata about 8-10 cm below the inguinal ligament b/w lateral femoral cutaneous n and great saphenous v

A

intermediate femoral cutaneous n.

- branch of femoral n .

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10
Q

nerve parallel to and slightly lateral to the great saphenous v

A

medial femoral cutaneous (branch of femoral)

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11
Q

n supplies skin below the middle part of inguinal ligament

A

femoral branch of genitofemoral n.

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12
Q

n supplying mainly the scrotum or labium majus and some adjacent regions of thigh

A

ilioinguinal n.

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13
Q

what forms the patellar plexus

A

lateral femoral n
intermediate femoral cutaneous n
medial femoral cutaneous n

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14
Q

deep fascia of thigh

A

fascia lata

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15
Q

lateral thickening of fascia lata

A

iliotibial tract

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16
Q

proximal attachments of fascia lata

A
  • laterally to the anterior part of the iliac crest, anteriorly to inguinal igament, medially to pubis and ischial tuberosity
  • posteriorly continuous with fascia of the gluteal region
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17
Q

forms roof of popliteal fossa

A

popliteal fascia

18
Q

what is the femoral sheath

A
  • extension of transversalis fascia
  • funnel shaped fascial tue that invests the proximal one or two in of the femoral vessels
  • proximally the funnel opens into the abdomen and distally surrounds vessels and blends with their outer walls
19
Q

structures which perforate through femoral sheath

A
  • great saphenous v
  • superficial branches of femoral a
  • femoral branch of genitofemoral n
20
Q

anterior wall of femoral sheath

A

extension of the transversalis fascia

posterior wall is continuation of fascia over iliacus and psoas major muscles

21
Q

lateral compartment of femoral sheath

A

femoral a

femoral branch of genitofemoral n.

22
Q

middle compartment of femoral sheath

A

femoral v

23
Q

medial compartment of femoral sheath aka

A

femoral canal

  • contains loose areolar tissue and small lymph vessels and deep inguinal lymph nodes
  • site for femoral hernia
24
Q

base of femoral triangle

A

inguinal ligament

25
Q

direction of apex of femoral triangle

A

inferomedially

26
Q

forms medial border of femoral triangle

A

adductor longus

27
Q

is the femoral n a part of the femoral sheath

A

no

- lies between iliacus and psoas major muscles

28
Q

where does the femoral n end

A
  • about an inch below the inguinal ligament by breakin gup into its termina lm and cutaneous branches
29
Q

what n supplies pectineus m

A

n to pectineus m branching off femoral n.

30
Q

longest branch femoral n

A

saphenous n

31
Q

largest branch of femoral a

A

profunda fermoris (from its lateral side)

32
Q

a running medially across the pectineus and adductor longus m to pierce the deep fascia and supply the scrotum or labium majus

A

deep external pudendal a

33
Q

superficial branches off the femoral a

A

superficial circumflex iliac a
supeficial epigastric a
superficial external pudendal a

34
Q

the femoral v is _____ to a at the apex of femoral triangle

A

medial

- maintains this relationship unti lit disappears behind inguinal ligament to become external iliac v

35
Q

major vv contributing to femoral v

A

great saphenous v
deep external pudendal v
profunda femoris v

36
Q

roof of femoral triangle

A
  • skin
  • superficial fascia (w superficial inguinal lymph nodes)
  • deep fascia (including cribiform fascia)
  • superficial n and vessels
37
Q

muscles forming floor of femoral triangle

A

adductor longus
pectineus
psoas major
iliacus

38
Q

plexus of nerves below sartorius

A

subsartorial plexus

  • saphenous n
  • anterior division of obturator n
  • medial femoral cutaneous n
39
Q

last branch of femoral a before it exits the adductor canal

A

descending genicular a

40
Q

terminal branches of descending genicular a

A

saphenous a

articular branch

41
Q

three branches off the lateral femoral circumflex

A
  • ascending branch [goes under tensor fascia latae to supply hip joint]
  • transverse branch
  • descending branch [courses inferiorly to supply quads and capsule of knee joint]
42
Q

describe the two heads of rectus femoris

A
  • straight head arises from the AIIS

- reflected head arises from above the acetabulum