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11 Cards in this Set

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  • Back
what does medial pectoral n innerv? Lateral pectoral n?
medial: pec major and minor; lateral: pec major
what part of pec major does medial pectoral n innerv? Lateral pectoral n?
medial: inf part of pec major; lateral: sup part of pec major
how does lymph move as it drains to axillary nodes?
moves from pectoral, lateral, and subscapular nodes to the central nodes, and then to the apical nodes
what major part does pec minor att to?
coracoid process
what's the easiest way for breast cancer to reach the internal vertebral venous plexus?
intercostal veins
what are actions of pec major?
flexes, adducts, and medially rotates the arm
what arteries supply medial part of breast?
Small branches from the internal thoracic artery, known as medial mammary branches, supply the medial side of the mammary gland
what arteries supply lateral part of breast?
lateral side of the mammary gland is supplied by the lateral thoracic artery
what does thoracoacromial a supply?
pectoral muscles, deltoid, subclavius, and the shoulder joint
what does musculophrenic a supply?
musculophrenic artery is a branch of the internal thoracic artery--it travels laterally and supplies blood to the 7th through 9th intercostal spaces
what are some strucs that have special relationship w/ pec minor?
cords of brachial plexus, lateral thoracic a, medial pectoral n, 2nd part of axillary a