Manual 72-77: Vasculature of Thigh Flashcards Preview

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

Flashcards in Manual 72-77: Vasculature of Thigh Deck (72):
1

branches off the femoral a

- superficial epigastric
- superficial circumflex iliac
- superficial external pudendal
- deep external pudendla
- muscular branches
- profundus femoris
- descending genicular
(7)

2

first branch off femoral

superficial epigastric

3

where does the superficial epigastric course?

- 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

4

the superficial epigastric a is _______ to the vein

lateral

5

blood supply to anterior abdominal wall below umbilicus

superficial epigastric a
(skin and superficial fascia)

6

smallest branch of femoral a

superficial circumflex iliac

7

course of superfiical circumflex iliac

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

8

what does the superficial circumflex iliac anatastomose with

- deep circumflex iliac
- superior gluteal
- lateral femoral circumflex

9

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

superficial external pudendal

10

course of superficial external pudendal a

- travels medially
- crosse spermatic cord
- supplies perineal structures
- supplies lower abdominal wall
- anastomoses with branches of internal pudendal a

11

what m get branches originating directly from femoral a

- vastus medialis
- sartorius
- adductor muscles

12

largest branch of femoral a

profundus femoris

13

where does the profundus femoris originate

- 2-5 cm distal to inguinal ligament on LATERAL aspect

14

describe the course of profundus femoris

- 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

15

how does the profundus femoris terminate

- small branch entering the adductor magnus m
- known as fourth perforating a

16

branches off of the profundus femoris

- lateral femoral circumflex
- medial femoral circumflex
- perforating (4)
- muscular branches

17

branches of lateral femoral circumflex

- ascending branch
- transverse branch
- descending branch

18

origin of lateral femoral circumflex

- lateral side of produndus femoris
- 20% originates from stem of femoral a

19

course of lateral femoral circumflex

laterally deep to rectus femoris and sartorius muscles

20

describe the ascending branch of lateral femoral circumflex a

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

21

smallest branch off lateral femoral circumflex

transverse branch

22

course of transverse branch of lateral femoral circumflex

- travels laterally around femur inferior to greater trochanter
- pierces vastus lateralis
- posteriro aspect of thigh
- participates in cruciate anastomosis

23

what a participate in cruciate anastomsis

- transverse branch of lateral femoral circumflex
- femoral circumflex
- inferior gluteal a
- first perforating a

FFIT

24

course of descending branch of lateral femoral circumflex

- courses inferiorly below rectus femoris
- supplies vastus lateralis m
- reaches knee joint to anastomose with lateral genicular branch of popliteal a

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