Lab 20-22: Anterior Thigh

Question 1

location of prepatellar bursa and infrapatellar bursa

Answer 1

prepatellar - anterior to patella

infrapatellar - near tibial tuberosity

Question 2

longest vein in the body

Answer 2

great saphenous v

-embedded in superficial fascia for entire course

Question 3

describe the saphenous opening

Answer 3

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

Question 4

covers the saphenous opening

Answer 4

cribiform fascia

Question 5

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

Answer 5

falciform margin

Question 6

veins and arteries emerging through the saphenous opening

Answer 6

superficial epigastric
superfiical and deep external pudendal

the veins will all drain into great saphenous

Question 7

vasculature piercing through fascia lata slightly lateral to the saphenous opening

Answer 7

superficial circumflex iliac a and v

Question 8

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

Answer 8

lateral femoral cutaneous n

Question 9

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

Answer 9

intermediate femoral cutaneous n.

- branch of femoral n .

Question 10

nerve parallel to and slightly lateral to the great saphenous v

Answer 10

medial femoral cutaneous (branch of femoral)

Question 11

n supplies skin below the middle part of inguinal ligament

Answer 11

femoral branch of genitofemoral n.

Question 12

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

Answer 12

ilioinguinal n.

Question 13

what forms the patellar plexus

Answer 13

lateral femoral n
intermediate femoral cutaneous n
medial femoral cutaneous n

Question 14

deep fascia of thigh

Answer 14

fascia lata

Question 15

lateral thickening of fascia lata

Answer 15

iliotibial tract

Question 16

proximal attachments of fascia lata

Answer 16

• 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

Question 17

forms roof of popliteal fossa

Answer 17

popliteal fascia

Question 18

what is the femoral sheath

Answer 18

• 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

Question 19

structures which perforate through femoral sheath

Answer 19

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

Question 20

anterior wall of femoral sheath

Answer 20

extension of the transversalis fascia

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

Question 21

lateral compartment of femoral sheath

Answer 21

femoral a

femoral branch of genitofemoral n.

Question 22

middle compartment of femoral sheath

Answer 22

femoral v

Question 23

medial compartment of femoral sheath aka

Answer 23

femoral canal

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

Question 24

base of femoral triangle

Answer 24

inguinal ligament

Question 25

direction of apex of femoral triangle

Answer 25

inferomedially

Question 26

forms medial border of femoral triangle

Answer 26

adductor longus

Question 27

is the femoral n a part of the femoral sheath

Answer 27

no

- lies between iliacus and psoas major muscles

Question 28

where does the femoral n end

Answer 28

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

Question 29

what n supplies pectineus m

Answer 29

n to pectineus m branching off femoral n.

Question 30

longest branch femoral n

Answer 30

saphenous n

Question 31

largest branch of femoral a

Answer 31

profunda fermoris (from its lateral side)

Question 32

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

Answer 32

deep external pudendal a

Question 33

superficial branches off the femoral a

Answer 33

superficial circumflex iliac a
supeficial epigastric a
superficial external pudendal a

Question 34

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

Answer 34

medial

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

Question 35

major vv contributing to femoral v

Answer 35

great saphenous v
deep external pudendal v
profunda femoris v

Question 36

roof of femoral triangle

Answer 36

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

Question 37

muscles forming floor of femoral triangle

Answer 37

adductor longus
pectineus
psoas major
iliacus

Question 38

plexus of nerves below sartorius

Answer 38

subsartorial plexus

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

Question 39

last branch of femoral a before it exits the adductor canal

Answer 39

descending genicular a

Question 40

terminal branches of descending genicular a

Answer 40

saphenous a

articular branch

Question 41

three branches off the lateral femoral circumflex

Answer 41

• 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]

Question 42

describe the two heads of rectus femoris

Answer 42

• straight head arises from the AIIS

- reflected head arises from above the acetabulum