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Comparative Anatomy > Vessels & Nerves of the Pelvic Limb > Flashcards

Vessels & Nerves of the Pelvic Limb Flashcards

1
Q

Cranial thigh muscles

A

Extensor of stifle: quadriceps femoris

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2
Q

Cranial thigh muscles: a. and n. supply

A

A: lateral circumflex femoral
N: femoral

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3
Q

Medial thigh muscles

A

Adductors of pelvic limb: gracilis, adductor, pectineus

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4
Q

Medial thigh muscles: a. and n. supply

A

A: Deep and caudal femoral
N: Obturator

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5
Q

Caudal thigh muscles

A

Flexors and extensors of stifle: biceps femoris, semimembranosus and semitendinosus

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6
Q

Caudal thigh muscles: a. and n. supply

A

A: Deep/caudal femoral, caudal gluteal
N: Sciatic

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7
Q

Cranial muscles of crus

A

Flexors of tarsus: cranial tibial, peroneus longus

Extensors of digits: long digital extensor

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8
Q

Cranial muscles of crus: a. and n. supply

A

A: Cranial tibial
N: Common fibular

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9
Q

Caudal muscles of crus

A

Rotator of stifle: popliteus
Extensor of tarsus: gastrocnemius
Flexors of digits: super/deep digital flexors

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10
Q

Caudal muscles of crus: a. and n. supply

A

A: popliteal, distal caudal femoral
N: tibial

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11
Q

What is the vascular lacuna

A

A passageway allowing the ext. iliac a. to leave the abdominal cavity and enter the thigh

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12
Q

What point of the external iliac become the femoral

A

At the vascular lacuna, when going through the femoral triangle

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13
Q

Obturator n. arises from…

A

L4,5,6

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14
Q

Obturator n. innervates…

A

Gracilis, pectineus, adductor, and external obturator

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15
Q

Femoral n. arises from…

A

L4,5,6 and emerges through iliopsoas

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16
Q

Femoral n. innervates…

A

4 heads of quadriceps

17
Q

What is a superficial branch of the femoral n.

A

Saphenous

18
Q

What does the saphenous n. innervate

A

Medial side of limb and motor innervation to sartorius

19
Q

Pudendal n. arises from…

A

S1,2,3

20
Q

What 3 nerves make up the pudendal n.

A

Caudal rectal, perineal, and dorsal n. of penis

21
Q

What does the pudendal n. carry?

A

Somatic motor fibers from anal & urethral voluntary sphincters and sensory fibers from anus, clitoris/penis

22
Q

Caudal cutaneous femoral n. arises from…

A

Sacral plexus

23
Q

Caudal cutaneous femoral n. innervates…

A

Caudal thigh

24
Q

What is the lumbosacral trunk

A

Union of ventral branches of L6 - L7 - S1 - S2

25
Q

Caudal gluteal n. arises from…

A

L7-S1,2

26
Q

Caudal gluteal n. is the ONLY innervation to…

A

Superficial gluteal

27
Q

Cranial gluteal n. arises from…

A

L6,7-S1

28
Q

Cranial gluteal n. innervates…

A

Middle/deep gluteal, tensor fascia latae

29
Q

Sciatic n. arises from…

A

L6,7-S1,2

30
Q

Sciatic n. innervates…

A

Internal obturator, gemelli, quadratus femoris, biceps femoris, semitendinosus and semimembranosus

Comparative Anatomy (27 decks)

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