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35 Cards in this Set
- Front
- Back
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Brachial plexus
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Cranial pectoral nn.
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Innervate superficial pectoral m.
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Suprascapular n.
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Origin - ventral brs of the 6th and 7th cervical spinal nerves
Motor innervation - Supraspinatus m. Infraspinatus m. Sensory innervation - No cutaneous innervation |
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Subscapular n.
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Origin - C6, C7
Motor innervation - subscapularis m Cutaneous innervation - NONE |
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Musculocutaneous n.
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Branches -
Proximal muscular br. Distal muscular br. Communicating br. Medial cutaneous antebrachial n. Origin - C6, C7, C8 Motor innervation - Corocobrachialis m. Biceps brachii m. Brachialis m. Sensory from - Medial aspect of the antebrachium Median cutaneous antebrachial n. Palmar aspect of the manus nerve fibers course with median n. by way of communicating br) |
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Musculocutaneous n. - proximal muscular br.
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Motor - coracobrachialis and biceps brachii mm.
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Musculocutaneous n. - distal muscular br.
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Motor - brachialis m.
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Musculocutaneous n. - communicating br.
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Between musculocutaneus and median nn.
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Musculocutaneous n. - medial cutaneous antebrachial n.
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Don't need to ID.
Sensory - medial aspect of antebrachium |
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Axillary n.
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Origin - C7, C8
Branches - Muscular brs. Cranial lateral cutaneous brachial n. Cranial cutaneous antebrachial n. |
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Axillary n. - muscular brs.
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Motor - flexors of the shoulder joint
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Axillary n. - cranial lateral cutaneous brachial n.
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Don't need to ID.
Sensory - lateral shoulder region |
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Axillary n. - cranial cutaneous antebrachial n.
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Sensory - cranial aspect of the antebrachium
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Thoracodorsal n.
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Innervates latissimus dorsi m.
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Radial n.
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Radial n. - muscular brs. in the brachial region
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Motor - extensors of the elbow
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Radial n. - deep br.
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Motor - extensors and supinators of the antebrachium and manus
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Radial n. - superficial br.
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Sensory
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Radial n. - lateral br.
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Includes
Lateral cutaneous antebrachial n. Sensory - craniolateral aspect of antebrachium and dorsum of manus |
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Radial n. lateral brs. - lateral cutaneous antebrachial n.
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Don't need to identify.
Sensory - lateral aspect of hte antebrachium |
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Radial n. - medial br.
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Sensory - craniomedial aspect of antebrachium and medial aspect of manus
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Median n.
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Motor
Sensory |
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Median n. - muscular brs.
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Motor - pronator and some of the flexors of the antebrachium and manus
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Median n. - sensory brs.
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Don't need to identify.
Sensory - palmar aspects of the manus |
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Ulnar n.
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Motor
Sensory |
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Ulnar n. - caudal cutaneous antebrachial n.
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Sensory - caudal aspect of the antebrachium
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Ulnar n. - muscular brs.
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Motor - some of the flexors of the antebrachium and manus
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Ulnar n. - dorsal br.
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Sensory - abaxial aspect of digit 5 (lateral aspect of the manus)
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Ulnar n. - palmar br.
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Motor - interossei mm.
Sensory - palmar aspect of the manus |
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Caudal pectoral nn.
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Innervate deep pectoral m.
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Lateral thoracic n.
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Innervates deep pectoral and cutaneous truci mm.
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Long thoracic n.
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Innervates serratus ventralis thoracis m.
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Accessory n.
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Courses along the dorsal border of omotransversarius m.
Innervates COST mm. |
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Brachiocephalic n.
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C6 spinal n.
Cleidobrachialis m. |
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Nerves that innervate intrinsic thoracic limb muscles
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Motor innervation (no sensory innervation) -
Suprascapular n. Subscapular n. Motor and sensory innervation - Musculocutaneous n. Axillary n. Radial n. Median n. Ulnar n. SS MARMU |
