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ANAT 315 Term 2 > Lecture 3 - Blood Supply and Innervations > Flashcards

Lecture 3 - Blood Supply and Innervations Flashcards

1
Q

blood supply for thigh: femoral artery - passage top to bottom (3) & which section of the thigh it supplies

A
  • enters lower limb at inguinal ligament
  • travels down the anteromedial aspect of the thigh
  • passes through the adductor canal (hiatus)
  • supplies anterior thigh
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2
Q

blood supply for thigh: femoral artery branches (3)

A
  • profunda femoris (deep artery of the thigh)
  • lateral circumflex femoral artery
  • medial circumflex femoral artery
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3
Q

blood supply for thigh: profunda femoris (deep artery) - passage top to bottom (2) & which section of the thigh it supplies

A
  • passes between muscles of the medial compartment
  • pierces the medial compartment muscle
  • supplies blood to the posterior thigh
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4
Q

blood supply for thigh: lateral circumflex femoral artery (3)

A
  • short branch of the deep femoral artery
  • curves around the neck of femur = “circumflex”
  • contributes blood: anterior thigh and hip joint
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5
Q

blood supply for thigh: medial circumflex femoral artery (4)

A
  • posteromedial branch of deep femoral artery
  • courses around neck of femur
    emerges in gluteal region
  • supplies blood to: posterior thigh and hip joint
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6
Q

blood supply for knee: arteries top to bottom (5)

A
  • popliteal artery
  • geniculate arteries
  • posterior recurrent tibial artery
  • anterior tibial artery
  • posterior tibial artery
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7
Q

blood supply for knee: popliteal artery where does it enter and where does it supply blood to? (2)

A
  • enters leg at the base of the popliteal fossa
  • supplies blood to knee joint and superifical posterior leg
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8
Q

blood supply for knee: posterior tibial recurrent artery (3)

A
  • branches laterally from popliteal artery
  • moves superior = “recurrent”
  • supplies blood to proximal end of fibula and, tibia
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9
Q

blood supply for knee: anterior tibial artery

A
  • originates posteriorly
  • branches laterally
  • pierces interosseus membrane
  • runs deep on top of the interosseus membrane
  • terminates in foot
  • supplies blood to anterior leg
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10
Q

blood supply for knee: what do the anterior tibial arteries branch into?

A

anterior tibial recurrent artery - terminates superiorly at the anterior knee joint, supplies blood to knee joint

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11
Q

blood supply for knee: posterior tibial arteries

A
  • runs between the superficial and deep posterior muscle groups
  • terminates in foot
  • supply blood to posterior leg
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12
Q

blood supply for knee: fibular artery

A
  • runs down parallel and lateral to tibial artery
  • supplies blood to: lateral leg and superficial posterior leg
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13
Q

blood supply foot: dorsum of the foot

A
  • enters via the anterior tibial artery
  • bifurcates at the dorsum of the foot
  • deep plantar artery branches posteriorly
  • supplies: dorsum of the foot and digits
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14
Q

blood supply foot: dorsum of the foot - arteries top to bottom (5)

A
  • anterior tibial artery
  • lateral tarsal artery or dorsalis pedis artery
  • arcuate artery
  • deep plantar artery
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15
Q

blood supply foot: plantar surface of the foot

A
  • enters via the posterior tibial artery
  • curves under the medial calcaneus
  • supplies: plantar surface of the foot, digits
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16
Q

blood supply foot: plantar surface of the foot - arteries top to bottom (5)

A
  • deep plantar artery
  • deep plantar arch
  • lateral plantar artery
  • medial plantar artery
  • posterior tibial artery
  • calcaneus
17
Q

venous drainage: veins of the foot

A
  • anterior tibial veins
  • great saphenous vein
  • plantar venous network of the foot or dorsal venous network of the foot
18
Q

venous drainage: veins of the leg

A
  • popliteal vein
    anteior:
  • great saphenous vein
  • anterior tibial veins (or posterior tibial vein)
  • venous network of the foot
18
Q

Empties into the femoral vein

A

empties into the femoral vein

18
Q

femoral vein

A
  • ascends from the popliteal vein
  • ascends to the iguinal region
19
Q

innervation

A
20
Q

lumbosacral plexus

A

lumbar plexus and sacral plexus - obturator nerve, femoral nerve, sciatic nerve

21
Q

lumbar plexus

A

L1-L5

22
Q

sacral plexus

A

S1-S4

23
Q

foramens and ligaments in lumbosacral plexus

A

greater sciatic foramen, inguinal ligament, obturator foramen

24
Q

innervations of the thigh:

A

obturator nerve, femoral nerve, sciatic nerve

25
Q

obturator nerve

A
  • runs down the anterior medial aspect of thigh
  • terminates in thigh
  • medial thigh muscles
  • skin over the proximal part of the medial thigh
26
Q

femoral nerve

A
  • descends the anterior thigh to leg
  • divides into branches
  • anterior thigh muscles
  • skin of anteromedial thigh and medial aspects of knee, leg and foot
27
Q

sciatic nerve

A
  • runs inferiorly between the medial and posterior thigh compartment
  • gives off muscular branches
    - posterior thigh
    muscle
28
Q

innervation of the leg and foot

A

sciatic nerve termination, tibial nerve, fibular nerve

29
Q

sciatic nerve termination

A
  • terminates at the popliteal fossa
  • diving into two branches
    - tibial nerve
    - fibular nerve
30
Q

tibial nerve

A
  • continues down the posterior aspect of the leg
  • terminates at the heel of the foot
  • posterior leg muscle and majority of foot muscles
  • sole of the foot and posterior leg
31
Q

fibular (peroneal) nerve

A
  • curves around the head of the fibula
  • once in anterior compartment of the leg, divides into 3 branches
  • terminates in the foot
32
Q

fibular nerve

A
  • lateral and anterior leg muscle
  • medial aspect of foot muscles
  • lateral leg and dorsum of the foot

ANAT 315 Term 2 (9 decks)

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