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Gross Anatomy 2 > SA Pelvic Limb > Flashcards

SA Pelvic Limb Flashcards

1
Q

Largest paired branch off the aorta

A

External Iliac a.

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2
Q

Only branch off of the external illiac a.

A

Deep Femoral

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3
Q

What does the external iliac a. continue outside the abdominal wall as?

A

Femoral a.

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4
Q

What branches off of the Deep Femoral a.?

A

Pudendoepigastric trunk

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5
Q

What does the Deep femoral a. continue as?

A

medial circumflex femoral a.

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6
Q

What are the two branches of the pudendoepigastric trunk?

A
  1. external pudendal a.

2. caudal epigastric a.

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7
Q

This a. is a continuation of the deep femoral a. after giving off the pudendoepigastric trunk

A

Medial circumflex femoral a.

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8
Q

Where is the vascular lacuna located?

A

b/t the inguinal ligament and pelvis

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9
Q

what are the boarders of the femoral triangle?

A

cr: caudal part of sartorius m.
cd: pectinius m.
prox: inguinal lig.

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10
Q

The Femoral a. is a continuation of which a.?

A

External iliac a.

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11
Q

What are the 7 branches of the Femoral a.?

A
  1. superficial circumflex iliac a.
  2. Lateral circumflex femoral
  3. Proximal caudal femoral a.
  4. saphenous a.
  5. Descending genicular a.
  6. middle caudal femoral a.
  7. distal caudal femoral a.
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12
Q

What are the 2 branches of the saphenous a.?

A

Cranial and caudal

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13
Q

What does the femoral a. transition into, and where?

A

Popliteal a. at the level of the stifle, after the distal caudal femoral comes off

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14
Q

Trace the femoral a. as it changes names:

A

Femoral a. –> Popliteal a. –> Cranial tibial a. –> Dorsal pedal a.

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15
Q

What is the clinical relevance of the dorsal pedal a.?

A

Pulse detection and arterial blood draws

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16
Q

what is the clinical relevance of the cranial branch of the lateral saphenous v.?

A

venipuncture in dogs

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17
Q

What is the clinical relevance of the medial saphenous v.?

A

veinpuncture in cats

18
Q

Where do nerves of the lumbosacral plexus go?

A

to innervate the pelvic limb

19
Q

What nerves enter the lumbosacral plexus?

A

L4-S2

20
Q

T/F. the lumbosacral plexus only contains somatic motor information?

A

F. somatic motor and sensory

21
Q

What does the obturator n. innervate?

A

Adductor muscles of the pelvic limb

ex. obturator m.
pectineus m.
gracilis m.
adductor m.

22
Q

Where does the obturator n. come from?

A

lumbosacral plexus

23
Q

Which nerve is damaged in downer cow syndrome?

A

Obturator n.

24
Q

Which nerve branches off the femoral n.?

A

saphenous n.

25
Q

What does the femoral n. innervate?

A

Hip flexors, stifle extensors

iliopsoas m.
quadriceps m.
sartorius m.

26
Q

What does the saphenous nerve innervate?

A

sartorius m. and cutaneous innervation:

medial thigh, crus, dorsomedial tarsus, and metatarsus

27
Q

What does the caudal gluteal n. innervate?

A

superficial gluteal m.

28
Q

What does the cranial gluteal n innervate?

A

middle and deep gluteal, tensor fasciae latae m.

29
Q

What does the sciatic n. innervate?

A

extensors of the hip and flexors of the stifle
Biceps femoris m.
semitendinosus m.
semimembrinosus m.

30
Q

What two nerves branch off the sciatic n.?

A
  1. common peroneal n.

2. Tibial n.

31
Q

What are the two branches of the common peroneal n.

A
  1. superficial peroneal n.

2. deep peroneal n.

32
Q

The superficial peroneal n. supplies cutaneous innervation to where?

A

craniolateral aspect of the crus and dorsal pes

33
Q

The superficial peroneal n supplies somatic motor innervation to where?

A

flexors of the tarsus and extensors of the digits

34
Q

The deep peroneal nerve supplies cutaneous innervation to where? and somatic motor innervation to?

A

C: dorsal pes,
SM: flexors of the tarsus and extensors of the digits

35
Q

Where does the tibial n. enter the crus?

A

b/t the two heads of the gastrocnemius m.

36
Q

What does the tibial n. supply?

A

cutaneous innervation to the plantar aspect of the pes

Somatic innervation to flexors of the stifle and extensors of the digits, and extensors of the tarsus

37
Q

The dorsal aspect of the pes is innervated by which n.?

A

deep and superficial branches of common peroneal n.

38
Q

The plantar aspect of the pes is innervated by which n?

A

Tibial

39
Q

Which n. travels through the tarsal tunnel?

A

Tibial

40
Q

Which nerves innervate the stifle?

A
  1. femoral n.
    - saphenous n.
  2. sciatic n.
    - tibial n.
    - common peroneal n.
41
Q

What is the diff. b/t a cutaneous zone and autonomous zone

A

CZ- entire area innervated by a nerve

AZ- area that is only innervated by one nerve

Gross Anatomy 2 (27 decks)

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