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Anatomy Lower Limb > Manual 72-77: Vasculature of Thigh > Flashcards

Manual 72-77: Vasculature of Thigh Flashcards

1
Q

branches off the femoral a

A
  • superficial epigastric
  • superficial circumflex iliac
  • superficial external pudendal
  • deep external pudendla
  • muscular branches
  • profundus femoris
  • descending genicular
    (7)
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2
Q

first branch off femoral

A

superficial epigastric

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3
Q

where does the superficial epigastric course?

A
  • originates 1 cm inferior to inguinal ligament
  • passes through femoral sheath and proceeds superiorly, anterior to inguinal ligament
  • terminates by anastomosing with inferior epigastric a
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4
Q

the superficial epigastric a is _______ to the vein

A

lateral

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5
Q

blood supply to anterior abdominal wall below umbilicus

A

superficial epigastric a

skin and superficial fascia

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6
Q

smallest branch of femoral a

A

superficial circumflex iliac

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7
Q

course of superfiical circumflex iliac

A
  • originates anterolateral aspect of femoral a slightly below the superfiicial epigastric
  • travels laterally (paralleling the inguinal ligament) to the iliac crest
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8
Q

what does the superficial circumflex iliac anatastomose with

A
  • deep circumflex iliac
  • superior gluteal
  • lateral femoral circumflex
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9
Q

originates from medial side of femoral a across from the origin of superficial circumflex iliac

A

superficial external pudendal

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10
Q

course of superficial external pudendal a

A
  • travels medially
  • crosse spermatic cord
  • supplies perineal structures
  • supplies lower abdominal wall
  • anastomoses with branches of internal pudendal a
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11
Q

what m get branches originating directly from femoral a

A
  • vastus medialis
  • sartorius
  • adductor muscles
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12
Q

largest branch of femoral a

A

profundus femoris

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13
Q

where does the profundus femoris originate

A
  • 2-5 cm distal to inguinal ligament on LATERAL aspect
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14
Q

describe the course of profundus femoris

A
  • travels inferiorly
  • spirals posterior to femoral a, then medial to it
  • lower 1/3 of thigh it is posterior to adductor longus
  • terminates as fourth perforting a
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15
Q

how does the profundus femoris terminate

A
  • small branch entering the adductor magnus m

- known as fourth perforating a

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16
Q

branches off of the profundus femoris

A
  • lateral femoral circumflex
  • medial femoral circumflex
  • perforating (4)
  • muscular branches
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17
Q

branches of lateral femoral circumflex

A
  • ascending branch
  • transverse branch
  • descending branch
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18
Q

origin of lateral femoral circumflex

A
  • lateral side of produndus femoris

- 20% originates from stem of femoral a

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19
Q

course of lateral femoral circumflex

A

laterally deep to rectus femoris and sartorius muscles

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20
Q

describe the ascending branch of lateral femoral circumflex a

A
  • travels superolaterally deep to fascia lata
  • lateral side of upper thigh
  • anastomsoes with branches of superior gluteal and deep circumflex iliac aa
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21
Q

smallest branch off lateral femoral circumflex

A

transverse branch

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22
Q

course of transverse branch of lateral femoral circumflex

A
  • travels laterally around femur inferior to greater trochanter
  • pierces vastus lateralis
  • posteriro aspect of thigh
  • participates in cruciate anastomosis
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23
Q

what a participate in cruciate anastomsis

A
  • transverse branch of lateral femoral circumflex
  • femoral circumflex
  • inferior gluteal a
  • first perforating a

FFIT

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24
Q

course of descending branch of lateral femoral circumflex

A
  • courses inferiorly below rectus femoris
  • supplies vastus lateralis m
  • reaches knee joint to anastomose with lateral genicular branch of popliteal a
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25
what does the descending branch of lateral femoral circumflex anastomose with
lateral genicular branch of popliteal a
26
origin of medial femoral circumflex
medial aspect of profundus femoirs | 255 originates directly from femroal a
27
course of medial femoral circumflex
- medially disappears b/w pectineus and psoas major m - winds around medial aspect of femur - supplies muslces - contributes to cruciate anastomosis - gives acetabular branch
28
what m does the medial femoral circumflex supply
- adductor muscles - gracilis - obturator externus
29
what does the acetabular branch off of medial femoral circumflex suppy
- fat in acetabular fossa | - head of femur (traveling in the round ligament)
30
where do the 4 perforating branches off profunda femoris come from
- 3 from the profunda femoris - 1 is terminating branch of profunda femoris - perforate through adductor magnus to reach posteiror thigh - ansatomose with each other
31
first perforating branch
superior to adductor brevis
32
second perforating branch
anterior to adductor brevis
33
what perforating branch gives off a nutrient a to femur
second perforating branch
34
third perforating branch
distal to adductor brevis | supplies adductor magnus and posterio thigh muscles
35
last branch give off femoral a before it passes through adductor hiatus
descending genicular (Travels medially)
36
the descending genicular a divides into ...
saphenous branch (skin of medial thigh) and articular branch (medial side of knee)
37
what a travels with saphenous n as it exists the adductor canal
saphenous branch of adescending genicular a
38
the articular branch of descending genicular a anastomoses with ..
medial superior genicular a and anterior tibial aa
39
when does the femoral a change names to popliteal a
once it exits the adductor hiatus and enters the popliteal fossa
40
where in the popliteal fossa is the poplitea a located?
- in intercondylar fossa - deep to the vein - lying against capsule of joint - deep to semimembranous m, popliteal v, tibial n, gastrocnemius m
41
branches of popliteal a in thigh
- muscular (2 or 3 to adductor magnus and hamstrings) - medial superior genicular - lateral superior genicular - medial and lateral sural
42
the medial and lateral sural a supply
- gastrocnemius - soleus - plantaris
43
branches of popliteal a to knee joint
- 5 genicular arteries - medial and lateral superior genicular - middle genicular a - medial and lateral inferior genicular aa
44
describe the superior genicular aa
- medial and lateral sides of popliteal a - wind around superior aspect of femoral condyles to reach anterior side of knee and form collateral circulation of knee - give off superficial (muscles) and deep branches (knee joint)
45
what a enters the knee to supply ligaments and synovial membrane
middle genicular a (off of popliteal a)
46
what genicular a originate distal to knee joint off of the popliteal ?
inferior genicular aa
47
two terminal branches of popliteal
anterior and posterior tibial aa
48
describe the course of the great saphenous v
- superiorly, gradually reaching the anterior midline of thigh (3 cm inferior to inguinal ligament) - passes through the saphenous hiatus - enters femoral sheath - opens into femoral v (behind medial condyles --> saphenous hiatus --> fmeoral sheath --> femoral vein)
49
what surrounds the proximal ends of great saphenous v
- superficial group of inguinal lymph nodes
50
continuation of superficial fascia that covers the saphenous opening
cribiform fascia
51
borders of the saphenous opening form a sharp edge called ...
falciform margin
52
contents of saphenous opening
- superficial epigastric and external pudendal arteries - emerge throug opening to supply superficial structurees - corresponding veins drain into great saphenous before it enters the saphenous opening
53
the great saphenous v receives the following before entering canal
- accessory saphenous v (formed by superficial veins along edial and posterior aspect of thigh) - superficial external pudendal v - superficial circumflex iliac v - superficial epigastric v
54
at the distal border of the popliteus m the anterior and posterior tibial veins join to form the ...
popliteal v | - ascends into popliteal fossa accompanying the a
55
in the inferior fossa, the popliteal v lies ______ to a
medial | - in the superior fossa the vein lies superficial to a
56
the popliteal v exits fossa by ...
passing through adductor hiatus
57
small saphenous v joins
popliteal v
58
valve arrangement only lets blood go from ________ veins to ______ veins
from superficial to deep veins | - when varicose, some can allow blood to pass from deep to superficial veins through incompetent vlaves
59
largest v of thigh
femoral v
60
superior continuation of popliteal v at adductor hiatus
femoral v
61
where is the femoral v in relation to a in the adductor canal
- lies posterolateral to femoral a
62
where is the femoral v in relation to a in femoral triangle
- ascends from posterior side of a to medial side
63
which compartment of the femoral sheath is the femoral v in
intermediate
64
when the femoral v crosses the inguinal ligament it becomes the ...
external iliac v
65
how many valves in femoral v
4-5 valves (one usually located inferior to entrance of deep femoral v)
66
anastomotic channel between femoral and internal iliac veins
interior gluteal v
67
largest tributary to femoral v
great saphenous v | enters 3 cm inferior to inguinal ligament
68
where do the medial and lateral femoral circumflex veins drain
into either femoral or deep femoral vein
69
how many lymph nodes located in popliteal fossa
6 or 7 - one node lies anterior (Deep) to popliteal a and receives lymph from inside kene joint - one node lies posterior (superficial) to popliteal v and receives lymph that course with small saphenous v - 4 or 5 nodes lies withing fat on lateral and medial sides of popliteal vessels (receive lymphatic vessels coursing with anterior tibail blood vessels, posterior tibial, and peroneal blood vessels)
70
lymph following what enters the deep inguinal lymph nodes
following femoral v | - deep nodes lie deep to fascia lata within the femoral sheath
71
lymph following what enters the lower group superficial inguinal nodes
great saphenous v | - these nodes lie withing the superficial fascia
72
inguinal nodes receive vessels from ...
- lower anterior abdominal wall - perineum - lower limb

Anatomy Lower Limb (37 decks)

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