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10 Cards in this Set
- Front
- Back
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What spinal nerves form the brachial plexus in the horse and ox?
What muscle does it come through? What artery and vein is it close to? |
Ventral branches of C6 – T2 spinal nerves
The scalenus The axillary artery and vein |
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What spinal nerves form the brachial plexus in the sheep and goat?
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Ventral branches of C6 – T1 spinal nerves
(as opposed to Ventral branches of C6 - T2 spinal nerves in the ox and horse) |
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Which pectoral mm do the cranial and caudal pectoral nn course to?
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Cranial pectoral n to superficial pectoral m.
Caudal pectoral n. to deep pectoral m. (and to subscapularis and brachiocephalicus in the horse) |
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What muscles does the lateral thoracic n. innervate?
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Cutaneous trunci m. and preputial m in the the ruminants.
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What muscle does the long thoracic n. innervate?
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Serratus ventralis thoracis m.
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What muscles do suprascapular n. innervate?
What condition does paralysis of this nerve cause? How does it present? |
Supraspinatus and infraspinatus.
Suprascapular paralysis AKA Sweeny May cause lateral deviation of shoulder joint Chronic – muscle atrophy resulting in prominent spine of the scapula. (versus damage to the axillary nerve that might just show a prominent acromion - in the ruminant) |
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What is the cutaneous area of the suprascapular n.?
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There is no cutaneous area
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What is the cutaneous area of the subscapular n.?
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There is no cutaneous area
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What is the definition of cutaneous area?
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The area of skin innervated to sensation by a nerve
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What nerves form a loop around the axillary a.?
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Median and musculocutaneous nn. join to form a loop (ansa axillaris) around the axillary a.
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