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Veterinary Anatomy I > Pelvic Limb Vessels & Nerves > Flashcards

Pelvic Limb Vessels & Nerves Flashcards

1
Q

What are the main branches that supply the pelvic limb?

A

Aorta
Internal Iliac a.
External iliac a.
Femoral a.
Popliteal a.
Cranial tibial a.

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2
Q

Describe the branches of the internal iliac a.

A

First branch internal pudendal a -> gives rise to umbilical and vaginal/prostatic a.
Then becomes caudal gluteal a -> gives rise to iliolumbar, cranial gluteal, lateral caudal, and dorsal perineal a.

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3
Q

What artery branches off from the aorta and runs in between the internal and external iliac arteries?

A

Median sacral a.

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4
Q

What is the name of the branch that comes from the external iliac a.

A

Deep femoral a.

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5
Q

What are the branch(s) of the deep femoral a.

A

Pudendoepigastric trunk -> gives rise to external pudendal a. and caudal epigastric a.
Medial circumflex iliac a (continuation of external iliac a.)

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6
Q

What must the external iliac a pass through before becoming the femoral a.?

A

Vascular lacuna

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7
Q

Name the branches of the Femoral a?

A

Superficial circumflex iliac a.
Lateral circumflex humeral a.
Proximal caudal femoral a.
Saphenous a.
Descending genicular a.
Middle caudal femoral a.
Distal caudal femoral a. (Last branch)

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8
Q

What does the femoral a continue as?

A

Popliteal a.
Continuation of the femoral a.
Goes between 2 heads of gastrocnemius m. Over the flexor surface of the stifle and through the popliteal notch of tibia

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9
Q

What is the continuation of popliteal a.?

A

Cranial tibial a. (terminal branch)
caudal tibial a.

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10
Q

What are the branches of the cranial tibial a?

A

Dorsal pedal a
Arcuate a
Dorsal and plantar metatarsal aa

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11
Q

What does the saphenous a branch into?

A

dorsal and plantar common digital aa

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12
Q

what muscles does the external iliac a supply?

A

Adductor m, vastus medialis m., obturator mm., semimembranosus m., hip joint capsule

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13
Q

What muscles does the distal caudal femoral a supply?

A

Biceps femoris,
Semimembranosus
Semitendinosus m
Gastrocnemius m
Digital flexor mm

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14
Q

What muscles does the popliteal a. Supply?

A

Stifle
Gastrocnemius
Popliteus

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15
Q

What muscles does the cranial tibial a supply?

A

Long digital extensor and cranial tibial mm

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16
Q

What does the dorsal pedal a supply?

A

Tarsus

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17
Q

What two arteries can be used to take a pulse in the pelvic limb?

A

Femoral a. And dorsal pedal a.

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18
Q

Describe the flow of blood into the lateral saphenous v?

A

Dorsal common digital vv
Plantar superficial arch
Lateral saphenous v
cranial and caudal branches
Distal caudal femoral
Femoral v

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19
Q

Describe the flow of blood into the medial saphenous v?

A

Common digital vv (dorsal and plantar)
Cranial and caudal branches
Medial saphenous
Femoral v.

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20
Q

What structures come through the muscular lacuna?

A

Iliopsoas m
Femoral n

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21
Q

What structures come through the vascular lacuna?

A

Femoral a and v
Medial circumflex femoral a and v
Saphenous n
Lymphatics

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22
Q

What is the vascular lacuna more commonly called?

A

Femoral ring?

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23
Q

Where does the lumbosacral plexus originate from?

A

L4-S3

24
Q

What is the name of the location where the lumbosacral plexus originates?

A

Lumbar intumescence

25
Q

Name the nerve of the lumbosacral plexus that is motor only?

A

Obturator n.
Cranial and caudal gluteal n

26
Q

What ate the nerves of the lumbosacral plexus that are both motor and sensory?

A

Genitofemoral
Femoral
Lumbosacral trunk
Sciatic nerve
Common fibular (deep and superficial fibular)
tibial n

27
Q

What are the sensory branches of the femoral n.?

A

Caudal cutaneous femoral
Saphenous

28
Q

What are the branches of the lumbosacral trunk?

A

Caudal gluteal n
Cranial gluteal n
Sciatic n

29
Q

What is the sensory innervation of the sciatic n?

A

Lateral and caudal cutaneous sural nn.

30
Q

What are the branches of the common fibular n?

A

Deep fibular n.
Superficial fibular n.

31
Q

What is the sensory innervation of the common fibular n?

A

Deep and superficial peroneal nn

32
Q

what is the sensory innervation of the tibial n called?

A

Medial and lateral plantar nn

33
Q

What muscle(s) do the genitofemoral n innervate?

A

Cremaster m (in males only)

34
Q

What muscle(s) do the obturator n innervate?

A

External obturator m
Pectineus m
Gracilis m
Adductors m

35
Q

What muscle(s) do the Femoral n innervate?

A

Iliopsoas m
Quadriceps m
Sartorius m

36
Q

What muscle(s) do the caudal gluteal n innervate?

A

Superficial gluteal m

37
Q

What muscle(s) do the cranial gluteal n innervate?

A

Middle gluteal m
Piriformis m
Deep gluteal m
Tensor fasciae latae m

38
Q

What muscle(s) do the sciatic n innervate?

A

Within pelvis:
-internal obturator m
-gemelli m
-quadratus femoris m

Hamstring:
-biceps femoris
-semimbranosus
-semitendinosus

39
Q

What muscle(s) do the Deep fibular n innervate?

A

Cranial tibial m
Long digital extensor m
Fibularis longus m

40
Q

What muscle(s) do the superficial fibular n innervate?

A

Lateral digital extensor m
Fibularis brevis m

41
Q

What muscle(s) do the tibial n innervate?

A

Gastrocnemius m
SDF m
DDFm
Popliteus m

42
Q

What actions would be effected if there was damage to the obturator n?

A

Adduction of pelvic limb

43
Q

What actions would be effected if there was damage to the femoral n?

A

Flexion of coxal jt
Flexion and extension of genual jt

44
Q

What actions would be effected if there was damage to the caudal gluteal n?

A

Extension of the coxal jt
Abduction of the pelvic limb

45
Q

What actions would be effected if there was damage to the cranial gluteal n?

A

Extension and Flexion of coxal joint, extension of genual jt., abduction and medial rotation of limb

46
Q

What actions would be effected if there was damage to the sciatic n?

A

Lateral rotation of limb
Extension of coxal jt
Flexion of genual jt
Extension of tarsocrural jt

47
Q

What actions would be effected if there was damage to the Common fibular n?

A

Flexion tarsocrural jt and extension of the digits

48
Q

What actions would be effected if there was damage to the tibial n?

A

Extension of the tarsocrural jt and Flexion of the digits

49
Q

AZ of the caudal cutaneous femoral n?

A

Caudal proximal level of pelvic limb

50
Q

AZ of saphenous n?

A

Medial femoral, genual tibial and pes regions

51
Q

AZ zone of sciatic nerve?

A

Lateral and caudal cutaneous sural nn
lateral caudal aspect of mid pelvic limb

52
Q

AZ of common fibular n?

A

Called deep and superficial peroneal nn?
Lateral and cranial aspect of distal pelvic limb

53
Q

AZ of tibial n?

A

Medial and lateral plantar nn
Plantar surface of pes

54
Q

AZ of genitofemoral n?

A

Skin in inguinal region

55
Q

AZ zone of lateral cutaneous femoral n?

A

Lateral aspect of lumbar, coaxial jt, and genual region

Veterinary Anatomy I (4 decks)

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