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34 Cards in this Set
- Front
- Back
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Suprascapular n
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- supraspinatus
- infraspinatus |
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Long thoracic n
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serratus ventralis thoracis
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Thoracodorsal n
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latissimus dorsi
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Lateral (external) thoracic n
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- cutaneous trunci
- cutaneous omobrachialis (w/ intercostobrachial n) |
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What runs with lateral thoracic n?
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external thoracic v
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Caudal pectoral nn
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ascending (deep) pectorals
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Cranial pectoral nn
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superficial pectorals (descending, transverse)
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Axillary n
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- teres major
- teres minor - articularis humeri - deltoideus - cleidobrachialis - subscapularis (along w/ subscapular n) |
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Terminating branches of axillary n
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- craniolateral cutaneous brachial
- cranial cutaneous antebrachial |
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What runs with the axillary n in axillary space?
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caudal circumflex humeral a
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What does radial n supply before it divides into superficial and deep branches?
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- triceps
- tensor fascia antebrachii |
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Deep branch of radial n
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- anconeus
- extensor carpi radialis - common digital extensor - lateral digital extensor - ulnaris lateralis - abductor digiti I longus |
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What does the superficial branch of radial n do?
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- emerges to lateral aspect of humerus under ventral margin of lateral head of triceps
- runs over antebrachium as lateral cutaneous antebrachial n - terminates at level of carpus |
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What does the caudal cutaneous antebrachial n do, and what does it run with?
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- runs with collateral ulnar a lateral to tensor fascia antebrachii
- sensory to skin on caudal aspect of antebrachium at level of carpus |
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What does the proximal muscular br of the musculocutaneous n do, and what does it run with?
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- runs with cranial circumflex humeral a either between 2 parts of coracobrachialis or between coracobrachialis and humerus
- supplies coracobrachialis and biceps brachii |
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Distal branch of the musculocutaneous n
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brachialis
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Muscular branches of median n
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- flexor carpi radialis
- humeral head of DDF - radial head of DDF - elbow joint structures |
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Ulnar n
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- flexor carpi ulnaris
- ulnar head of DDF - SDF - elbow joint structures |
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Dorsal branch of ulnar n
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- pierces tendon of insertion of ulnaris lateralis
- supplies dorsolateral aspect of carpus and metacarpus |
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Deep branch of lateral palmar n
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- interosseus medius (suspensory lig)
- distal check ligament |
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Lateral and medial palmar metacarpal nn
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- interosseus medius (suspensory lig)
- distal check lig - lateral and medial interosseus ligs |
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Continuation of musculocutaneous n
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Medial cutaneous antebrachial n
- supplies joint capsule of carpus |
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Lateral and medial palmar digital nn
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- joint sacs of fetlock
- proximal and distal interphalangeal joints - flexor tendon sheath - proximal and distal sesamoidean ligaments - ligaments of fetlock - corium of hoof - digital cushion - navicular bone and bursa - lateral cartilages of hoof - skin over palmar surface of foot |
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Medial and lateral dorsal branches (of respective palmar digital nn)
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- extensor slip of interosseus medius (suspensory lig)
- collateral ligaments of fetlock - proximal and distal interphalangeal joints and joint sacs - corium of hoof - skin on dorsomedial and dorsolateral aspect of foot |
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Suprascapular a runs with and supplies...?
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- runs w/ suprascapular n between subscapularis and supraspinatus
- supplies subscapularis, supraspinatus, infraspinatus, sends nutrient br to scapula |
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Thoracodorsal a supplies...?
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- latissimus dorsi
- deep pectorals - serratus ventralis - long head of triceps - cutaneous trunci |
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Caudal circumflex humeral a supplies...?
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- infraspinatus
- deltoideus |
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Cranial circumflex humeral runs with and supplies...?
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- runs with proximal muscular br of musculocutaneous
- supplies coracobrachialis and biceps brachii |
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Deep brachial a supplies...?
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- triceps
- tensor fascia antebrachii - anconeus - brachialis |
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Bicipital a supplies...?
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biceps brachii
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Cranial interosseous a
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- nutrient aa to radius and ulna
- joins rete carpi dorsale - supplies ulnaris lateralis, common digital extensor, lateral digital extensor |
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Structures in flexor retinaculum
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Cranial to caudal:
- radial v (continuation of cephalic v) - radial a (branch of median a) - tendon of insertion of flexor carpi radialis - lateral palmar n (in tunnel medial to accessory carpal bone) - lateral palmar v - lateral palmar a (palmar br of median a) |
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Boundaries of carpal canal
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Cranial: fibrocartilaginous palmar carpal ligament
Lateral: accessory carpal bone Caudal: flexor retinaculum |
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Contents of synovial sheath in carpal canal
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- medial palmar n
- medial palmar a - SDF tendon of insertion - DDF tendon of insertion |
