!! Pec And Breast !!

Front 1

what does medial pectoral n innerv? Lateral pectoral n?

Back 1

medial: pec major and minor; lateral: pec major

Front 2

what part of pec major does medial pectoral n innerv? Lateral pectoral n?

Back 2

medial: inf part of pec major; lateral: sup part of pec major

Front 3

how does lymph move as it drains to axillary nodes?

Back 3

moves from pectoral, lateral, and subscapular nodes to the central nodes, and then to the apical nodes

Front 4

what major part does pec minor att to?

Back 4

coracoid process

Front 5

what's the easiest way for breast cancer to reach the internal vertebral venous plexus?

Back 5

intercostal veins

Front 6

what are actions of pec major?

Back 6

flexes, adducts, and medially rotates the arm

Front 7

what arteries supply medial part of breast?

Back 7

Small branches from the internal thoracic artery, known as medial mammary branches, supply the medial side of the mammary gland

Front 8

what arteries supply lateral part of breast?

Back 8

lateral side of the mammary gland is supplied by the lateral thoracic artery

Front 9

what does thoracoacromial a supply?

Back 9

pectoral muscles, deltoid, subclavius, and the shoulder joint

Front 10

what does musculophrenic a supply?

Back 10

musculophrenic artery is a branch of the internal thoracic artery--it travels laterally and supplies blood to the 7th through 9th intercostal spaces

Front 11

what are some strucs that have special relationship w/ pec minor?

Back 11

cords of brachial plexus, lateral thoracic a, medial pectoral n, 2nd part of axillary a