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Flashcards in SA Pelvic Limb Deck (41)
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1
Q

Largest paired branch off the aorta

A

External Iliac a.

2
Q

Only branch off of the external illiac a.

A

Deep Femoral

3
Q

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

A

Femoral a.

4
Q

What branches off of the Deep Femoral a.?

A

Pudendoepigastric trunk

5
Q

What does the Deep femoral a. continue as?

A

medial circumflex femoral a.

6
Q

What are the two branches of the pudendoepigastric trunk?

A
  1. external pudendal a.

2. caudal epigastric a.

7
Q

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

A

Medial circumflex femoral a.

8
Q

Where is the vascular lacuna located?

A

b/t the inguinal ligament and pelvis

9
Q

what are the boarders of the femoral triangle?

A

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

10
Q

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

A

External iliac a.

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.
12
Q

What are the 2 branches of the saphenous a.?

A

Cranial and caudal

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

14
Q

Trace the femoral a. as it changes names:

A

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

15
Q

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

A

Pulse detection and arterial blood draws

16
Q

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

A

venipuncture in dogs

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