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Anatomy Exam 2 - Canine Thoracic Limb
Musculature, Innervation, Vasculature, and Osteology
53
Anatomy
Professional
09/19/2011

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Term
superficial m. of the thoracic limb
Definition
m. brachiocephalicus, m. trapezius, m latissimus dorsi, and m. omotransversarius
Term
chest muscles
Definition
deep pectoral m. and superficial pectoral m. (transverse and descending parts)
Term
clavicular tendon
Definition
tendon of m. brachiocephalicus
Term
m. cleidobrachialis and m. cledocephalicus
Definition
divisions of clavicular tendon; mastoid and cervical parts in carnivores
Term
superficial cervical and axillary
Definition
lymph nodes of thoracic limb
Term
m. serratus ventralis
Definition
muscle spanning superficial axillary region
Term
parts of m. rhomboideus
Definition
thoracic, cervical, and capital
Term
shoulder joint stabilizers
Definition
tendons of m. subscapularis (medial), m. supraspinatus (cranial), and m. infraspinatus (lateral)
Term
parts of m. deltoideus
Definition
scapular (spinous) and acrominal
Term
m. infraspinatus
Definition
tendon acts as lateral collateral lig.
Term
m. subscapularis
Definition
tendon acts as medial collateral lig.
Term
m. teres major
Definition
tendon of insertion blends with m. latissimus dorsi
Term
m. coracobrachialis
Definition
looks like flexor of shoulder, but is extensor
Term
heads of m. triceps brachii
Definition
long, medial, lateral, and accessory
Term
m. triceps brachii
Definition
elbow extensor
Term
long head of m. triceps brachii
Definition
flexes shoulder; arises on caudal edge of scapula
Term
elbow flexors
Definition
m. brachialis and m. biceps brachii
Term
m. biceps brachii head
Definition
tendon of origin crosses shoulder
Term
m. anconeus
Definition
elbow extensor
Term
radial n.
Definition
innervates craniolateral antebrachial mm.
Term
craniolateral antebrachial mm. action
Definition
carpus and digit extensors
Term
craniolateral antebrachial mm.
Definition
m. extensor carpi radialis, common digital extensor m., lateral digital extensor m., m. extensor carpi ulnaris, m. abductor pollicis longus, and m. supinator
Term
m. extensor carpi radialis and common digital extensor m.
Definition
insert on distal phalanx, digits II - V
Term
lateral digital extensor m.
Definition
inserts on proximal and middle phalanges, digits III - V
Term
median and ulnar nn.
Definition
innervate caudomedial antebrachial mm.
Term
caudomedial antebrachial mm. action
Definition
flexors of carpus and digits
Term
medial epicondyle
Definition
origin of caudomedial antebrachial mm.
Term
caudomedial antebrachial mm.
Definition
m. pronator teres, m. flexor carpi radialis, superficial digital m., m flexor carpi ulnaris, deep digital flexor m.
Term
superficial digital flexor m.
Definition
inserts on middle phalanx, digits II - V
Term
ulnar and humeral
Definition
heads of m. flexor carpi ulnaris
Term
deep digital flexor m. heads
Definition
big humeral head, small ulnar and radial heads
Term
deep digital flexor m.
Definition
inserts on distal phalanx
Term
m. pronator quadratus
Definition
m. of metatarsal
Term
brachial plexus
Definition
emerges ventral to m. scalenus
Term
suprascapular n. location
Definition
passes laterad between mm. supraspinatus and subscapularis
Term
suprascapular n. motor function
Definition
shoulder stabilization through mm. supraspinatus and infraspinatus
Term
subscapular n. location
Definition
attached to subscapular m.
Term
subscapular n. motor function
Definition
m. subscapularis function
Term
musculocutaneous n. location
Definition
courses distad caudal to m. biceps brachii
Term
musculocutaneous n. motor function
Definition
mm. biceps brachii, brachialis, and coracobrachialis movement; elbow flexion (some shoulder extension)
Term
axillary n. location
Definition
passes laterad between mm. subscapularis and teres major
Term
axillary n. motor function
Definition
mm. teres minor, teres major, and deltoideus motion; shoulder flexion
Term
lateral thoracic n. motor function
Definition
motor to m. cutaneus trunci and deep pectoral m.
Term
thoracodorsal n. motor function
Definition
motor to m. latissimus dorsi
Term
radial n. location
Definition
wraps around caudal aspecct of humerus and emerges laterally under distal edge of lateral head of triceps m.
Term
radial n. branches
Definition
superficial and deep
Term
radial n. motor function
Definition
extension of elbow, carpus, and digits; ESSENTIAL FOR WEIGHT BEARING
Term
sensory branch of radial n.
Definition
superficial br.
Term
median n. location
Definition
passes distad in common with ulnar n.
Term
median n. motor function
Definition
carpal and digital flexors
Term
ulnar n. location
Definition
passes distad in common with median n.
Term
ulnar n. motor function
Definition
carpal and digital flexors
Term
veins of thoracic limb
Definition
cephalic, accessory cephalic, antebrachial, and median cubital
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