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Veterinary Anatomy III > PRAC.15 > Flashcards

PRAC.15 Flashcards

carpal and digital extensors of the forelimb - - nerves; - superficial venous system - relationship to the deep system in the forelimb and to the v. jugularis externa

1
Q
A

M. extensor digitorum lateralis

Origin: Lateral epicondyle of humerus

Insertion: Digits III-V (distal phalanx)

Action: Extend digits III-V

Innervation: N. radialis

Blood supply:

  • A. interossea cranialis
  • A. medialis
  • A. brachialis
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2
Q
A

M. extensor digitorium communis

Origin: Lateral epicondyle of humerus

Insertion: Digits II-V (distal phalanx)

Action: Extend digits II-V

Innervation: N. radialis

Blood supply:

  • A. interossea cranialis
  • A. medialis
  • A. brachialis
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3
Q
A

M. extensor carpi radialis

Origin: Lateral crista supracondylaris

Insertion: Mc II-III

Action: Extend carpus

Innervation: N. radialis

Blood supply:

  • A. interossea cranialis
  • A. brachialis
  • A. medianus
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4
Q
A

M. abductor digiti I longus

Origin: Interosseous membrane of radius and ulna

Insertion: Metacarpal I

Action: Extend and Abduct digit I

Innervation: N. radialis

Blood supply: A. brachialis superficialis

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5
Q
A

M. extensor digitorium communis

Origin: Lateral epicondyle of humerus

Insertion: Digits II-V (distal phalanx)

Action: Extend digits II-V

Innervation: N. radialis

Blood supply:

  • A. interossea cranialis
  • A. medianus
  • A. brachialis
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6
Q
A

M. extensor digitorum lateralis

Origin: Lateral epicondyle of humerus

Insertion: Digits III-V (distal phalanx)

Action: Extend digits III-V

Innervation: N. radialis

Blood supply:

  • A. interossea cranialis
  • A. medialis
  • A. brachialis
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7
Q
A

M. extensor carpi radialis

Origin: Lateral crista supracondylaris

Insertion: Mc II-III

Action: Extend carpus

Innervation: N. radialis

Blood supply:

  • A. interossea cranialis
  • A. brachialis
  • A. medianus
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8
Q
A

M. extensor digiti I et II (Ca)

Origin: Lateral middle third of ulna

Insertion: Mc. I and digit II

Action: Extend digit I-II

Innervation: N. radialis

Blood supply:

  • A. interossea cranialis
  • A. medialis
  • A. brachialis
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9
Q
A

M. abductor digiti I longus

Origin: Interosseous membrane of radius and ulna

Insertion: Metacarpal I

Action: Extend and Abduct digit I

Innervation: N. radialis

Blood supply: A. brachialis superficialis

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10
Q
A

M. extensor carpi ulnaris

Origin: Lateral epicondyle of humerus (behind collateral ligament)

Insertion: MC V, accessory carpal bone

Action: Flexion, abduction and rotation of carpus

Innervation: N. radialis

Blood supply:

  • A. interossea cranialis
  • A. brachialis
  • A. ​medianus
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11
Q
A

M. extensor carpi ulnaris

Origin: Lateral epicondyle of humerus (behind collateral ligament)

Insertion: MC V, accessory carpal bone

Action: Flexion, abduction and rotation of carpus

Innervation: N. radialis

Blood supply:

  • A. interossea cranialis
  • A. brachialis
  • A. ​medianus
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12
Q
A

M. extensor carpi ulnaris

Origin: Lateral epicondyle of humerus (behind collateral ligament)

Insertion: MC V, accessory carpal bone

Action: Flexion, abduction and rotation of carpus

Innervation: N. radialis

Blood supply:

  • A. interossea cranialis
  • A. brachialis
  • A. medianus
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13
Q

Which nerve(s) serve the carpal and digital extensors of the forelimb?

A

N. radialis​​

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14
Q
A

Nervi radialis

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15
Q

List the vessels of the superficial venous system

A
  • Vena cephalica
    • ​Vena axillobrachialis
    • Vena mediana cubiti
    • ​​Vena cephalica accessoria
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16
Q
A

Vena cephalica

17
Q
A

Vena axillobrachialis

Links vena circumflexa humeri caudalis (Deep) to vena cephalica (Superficial)

18
Q
A

Vena mediana cubiti

Links vena brachialis and v**ena cephalica

19
Q
A

Vena omobrachialis

Leading to vena jugularis externa

Veterinary Anatomy III (124 decks)

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