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MSK Exam 2 > LE Angiology > Flashcards

LE Angiology Flashcards

1
Q

What supplies the Anterior and Posterior Thigh?

A

Deep Femoral Artery

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2
Q

What supplies the Medial Thigh?

A

Obturator Artery

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3
Q

What supplies the Posterior Leg?

A

Posterior Tibial Artery

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4
Q

What supplies the Lateral Leg?

A

Fibular Artery

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5
Q

What supplies the Anterior Leg?

A

Anterior Tibial Artery

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6
Q

What supplies the Dorsal Foot?

A

Dorsalis Pedis Artery

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7
Q

What supplies the Plantar Foot?

A

Medial and Lateral Plantar Arteries

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8
Q

What does the Internal Iliac Artery supply?

A
  • Pelvic organs
  • Gluteal muscles
  • Perineum
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9
Q

What are the 6 arteries that make up the Anterior Division of the Internal Iliac Artery?

A
  • Umbilical Artery
  • Obturator Artery
  • Inferior Vesicle Artery (males) and Uterine Artery (females)
  • Middle Rectal Artery
  • Internal Pudendal Artery
  • Inferior Gluteal Artery
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10
Q

What are the 3 arteries of the Posterior Division of the Internal Iliac Artery?

A
  • Iliolumbar Artery
  • Lateral Sacral Artery
  • Superior Gluteal Artery
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11
Q

What does the Obturator A supply?

A
  • Pelvic muscles
  • Ilium bone
  • Femoral head
  • Medial thigh muscles
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12
Q

What does the Anterior Branch of the Obturator A supply?

A
  • Obturator Externus
  • Pectineus
  • Adductor Longus
  • Adductor Brevis
  • Adductor Magnus
  • Gracilis
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13
Q

Anterior Branch of the Obturator A travels anterior to the ___ ___ muscle

A

Adductor Brevis

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14
Q

Posterior Branch of the Obturator A travels posterior to the ___ __ muscle

A

Adductor Brevis

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15
Q

What does the Posterior Branch of the Obturator A supply?

A
  • Adductor Magnus
  • Inferior Gemellus
  • Quadratus Femoris
  • Proximal Semitendinosus
  • Semimembranous
  • Long Head of the Biceps Femoris
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16
Q

Inferior Gluteal A exists the Pelvic cavity through:

A

Greater Sciatic Foramen

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17
Q

What does the Inferior Gluteal A supply?

A
  • Piriformis
  • Quadratus Femoris
  • Proximal part of posterior thigh muscles
  • Gluteus Maximus
  • Sciatic N
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18
Q

What does the Iliolumbar A supply?

A
  • Psoas Major
  • Iliacus
  • Quadratus Lumborum
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19
Q

What artery supplies the Piriformis muscle?

A

Lateral Sacral Artery

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20
Q

Where does the Superior Gluteal A exit the pelvic cavity?

A

Through the Greater sciatic Foramen

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21
Q

What are the two branches of the Superior Gluteal A?

A
  • Superficial Branch (supplies Gluteus Maximus)
  • Deep Branch (supplies Gluteus Medius, Gluteus Minimus, Tensor Fascia Lata)
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22
Q

What arteries supply the Gluteus Maximus?

A
  • Superficial Branch of Superior Gluteal A
  • Inferior Gluteal A
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23
Q

When does the External Iliac A become the Femoral A?

A

Once it passes through the sublingual space under the Inguinal ligament

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24
Q

When does the Femoral A become the Popliteal A?

A

Once it passes through the Adductor Hiatus

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25
Q

What are the 5 arteries that branch off the Femoral A in the hip/thigh?

A
  • Superficial Circumflex Iliac A
  • Superficial Epigastric A
  • Superficial and Deep External Pudendal A
  • Deep Femoral A
  • Descending Genicular A
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26
Q

Deep Femoral A produces the __ and ___ ___ ___ arteries

A

Medial and Lateral Femoral Circumflex

27
Q

The Deep Femoral A passes between the posterior aspect of the ___ __ muscle, producing several Perforating Arteries

A

Adductor Magnus

28
Q

What are the 3 branches of the Lateral Femoral Circumflex A?

A
  • Ascending Branch (supplies anterior gluteal region)
  • Transverse Branch
  • Descending Branch (descend to join the Genicular Anastomoses)
29
Q

What are the 3 branches of the Medial Femoral Circumflex A?

A
  • Posterior Retinacular As (supply the head and neck of femur)
  • Ascending Branch (joins inferior gluteal A)
  • Transverse Branch (joins the cruciate anastomosis of the posterior thigh)
30
Q

What artery supplies the femoral head & neck?

A

Medial Femoral Circumflex Artery – Posterior Retinacular As

31
Q

What supplies the Vastus Lateralis Muscle?

A

Perforating Branches of the Deep Femoral A

32
Q

What are the 3 branches of the Deep Femoral A?

A
  • Lateral Femoral Circumflex A
  • Medial Femoral Circumflex A
  • Perforating Branches (4 total, wrap around femur posteriorly)
33
Q

What do the Perforating Branches of the Deep Femoral Artery supply?

A
  • Adductor Magnus
  • Posterior Thigh muscles
  • Vastus Lateralis M
34
Q

Descending Genicular A

A
  • primarily feeds into the Genicular anastomosis
  • produces an articular branch (into the knee joint) and a saphenous branch (to the medial proximal tibia)
35
Q

What is the function of the Genicular Anastomoses?

A

They supply the knee joint so that structures of the knee and popliteal fossa still receive blood even if the Poploiteal A is blocked during full knee flexion

36
Q

What are the two terminal branches of the Popliteal A?

A
  • Anterior Tibial A
  • Posterior Tibial A
37
Q

What are the 5 genicular arteries that branch off the Popliteal A?

A
  • Superior Lateral Genicular A
  • Superior Medial Genicular A
  • Middle Genicular A
  • Inferior Lateral Genicular A
  • Inferior Medial Genicular A
38
Q

When does the Anterior Tibial A become Dorsalis Pedis A?

A

Once it passes the Extensor Retinaculum

39
Q

What arteries contribute to the genicular anastomosis?

A
  • Descending branch of the Lateral Femoral Circumflex A
  • Descending Genicular A
  • Superior Lateral Genicular A
  • Superior Medial Genicular A
  • Middle Genicular A
  • Inferior Lateral Genicular A
  • Inferior Medial Genicular A
  • Anterior Tibial Recurrent A
40
Q

What are the 3 branches of the Anterior Tibial A?

A
  • Anterior Tibial Recurrent A (feeds into genicular anastomosis)
  • Anterior Medial Malleolar A (forms anastomosis with corresponding branches from the posterior tibial A and the fibular A)
  • Anterior Lateral Malleolar A (forms anastomosis with corresponding branches from the posterior tibial A and fibular A)
41
Q

What does the Dorsalis Pedis A supply?

A
  • Tarsal bones
  • Metatarsal bones
  • Dorsum of the foot and digits
42
Q

What are the 5 branches of the Dorsalis Pedis A?

A
  • Lateral Tarsal A (supplies underlying muscles and tarsals)
  • Medial Tarsal A (supplies Navicular bone)
  • 1st Dorsal Metatarsal A (between the 1st and 2nd metatarsal bones, supplies dorsal hallux and medial aspect of 2nd digit)
  • Deep Plantar A (travels deep between 1st and 2nd metatarsal bones, joins Deep Plantar Arterial Arch)
  • Arcuate A (anastomoses with the lateral tarsal A, has perforating branches and dorsal metatarsal A that produce dorsal digital As)
43
Q

What two Arteries contribute/form the Deep Plantar Arch?

A
  • Lateral Plantar A
  • Deep Plantar A
44
Q

Posterior Tibial A

A
  • larger of the two branches of the Popliteal A
  • travels along posterior aspect of the interosseous membrane
  • produces Circumflex Fibular A, Fibular A, and terminates as Medial and Lateral Plantar As
45
Q

What Artery supplies the Popliteus muscle?

46
Q

What are the 3 branches off of the Fibular A?

A
  • Perforating Branch (pierces distal interosseous membrane, anastomoses with the Arcuate A)
  • Lateral Malleolar Branches (feeds into the lateral malleolar network, further branches into calcaneal branches to supply the calcaneus)
  • Fibular Nutrient A (supplies the Fibula)
47
Q

What are the 6 branches off of the Posterior Tibial A?

A
  • Circumflex Fibular A (goes to genicular anastomosis)
  • Fibular A
  • Tibial Nutrient A
  • Medial Malleolar Branches
  • Lateral Plantar A
  • Medial Plantar A
48
Q

What is the largest Nutrient artery in the body?

A

Tibial Nutrient A

49
Q

Lateral Plantar Artery

A
  • larger than medial plantar A
  • main source of the deep plantar arterial arch
  • has perforating branches that communicate with the perforating branches of the arcuate A
  • also has another branch called the plantar metatarsal A that further branches into the plantar digital A
50
Q

Medial Plantar Artery

A
  • supplies muscle of the Hallux
  • produces a superficial branch and deep branches
51
Q

Superficial Branch of the Medial Plantar Artery

A
  • produces the Superficial Plantar Arterial Arch that anastomoses with the Lateral Plantar A or Deep Plantar Arch
52
Q

What do the Deep Branches of the Medial Plantar Artery supply?

A

Musculature of the Hallux

53
Q

What are the veins of the LE?

A

Femoral V -> Popliteal V -> branches into Anterior and Posterior Tibial Vs

54
Q

Great Saphenous Vein

A
  • formed by the Dorsal Venous Arch of the foot and Dorsal V of the Hallux
  • travels up the medial leg and thigh
  • empties into the Femoral V
55
Q

Small Saphenous Vein

A
  • formed by the Dorsal Venous Arch and Dorsal V of the Digiti Minimi
  • travels up the posterior leg
  • empties into the Popliteal V
56
Q

Perforating Veins

A
  • communications between superficial veins and deep veins
57
Q

What are the 2 main Lymphatic Vessels?

A
  • Superficial
  • Deep
58
Q

Superficial Lymphatic Vessels

A
  • follow the Saphenous veins and their tributaries
  • vessels that follow the Great Saphenous Vein empty into the Superficial Inguinal Lymph Nodes
  • vessels that follow the Small Saphenous Vein empty into the Popliteal Lymph Nodes
59
Q

Deep Lymphatic Vessels

A
  • accompany the deep leg veins
  • empty into the Popliteal Lymph Nodes
60
Q

What are the two main groups of Lymph Nodes in the LE?

A
  • Internal Iliac Lymph Nodes
  • External Iliac Lymph Nodes
61
Q

Internal Iliac Lymph Nodes

A
  • drain the gluteal lymph nodes
  • empty into the Common Iliac Lymph Nodes
  • includes Gluteal Lymph Nodes (drain the gluteal region and empty into the Internal and Common Iliac Lymph Nodes)
62
Q

External Iliac Lymph Nodes

A
  • drain the Superficial Inguinal Lymph Nodes
  • empty into the Common Iliac Lymph Nodes
  • includes Superficial Inguinal Lymph Nodes and Deep Inguinal Lymph Nodes
63
Q

Superficial Inguinal Lymph Nodes

A
  • drain the lymphatic vessels accompanying the Great Saphenous Vein
  • empty into the External Iliac or Deep Inguinal Lymph Nodes
64
Q

Deep Inguinal Lymph Nodes

A
  • drain the Popliteal Lymph Nodes
  • empty into the External Iliac Lymph Nodes
  • include the Popliteal Lymph Nodes which drain the lymphatic vessels accompanying the Small Saphenous Vein and empty into the Deep Inguinal Lymph Nodes

MSK Exam 2 (14 decks)

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