Term
what are the boundries of the axilla |
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Definition
upper arm and side of thorax |
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Term
what is the general function of the axilla |
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Definition
passage for lymph, notves, vessels |
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Term
what is another word for the apex of the axilla |
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Definition
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Term
in what way is the apex of the axilla directed |
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Definition
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Term
what is the anterior boundry of the axilla apex |
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Definition
posterior border of clavicle |
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Term
what is the posterior boundry of the axilla apex |
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Definition
superior border of the scapula |
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Term
what is the medial boundry of the axilla apex |
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Definition
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Term
what is the anterior boundry of the base of the axilla |
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Definition
anterior axillary fold formed by the lower border of the pectoraliz major |
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Term
what is the posterior border of the base of the axilla |
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Definition
posterior axillary fold formed by lower borders of teres major and latissimus dorsi |
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Term
what is the medial border of the base of the axilla |
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Definition
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Term
what muscles form the anterior wall of the axilla |
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Definition
pectoralis major, pectoralis minor, subclavius, clavipectoral fascia |
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Term
what muscles form the posterior wall of the axilla |
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Definition
acapula, aubscapularis, teres major, latissimus dorsi |
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Term
what forms the medial border of the axilla |
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Definition
upper 4/5 ribs and intercostal spaces between them covered by serratus anterior |
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Term
what forms the lateral wall of the axilla |
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Definition
bicipital (intertubercular) groove of the humerus |
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Term
what are the contents of the axilla |
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Definition
axillary artery and vein and their branches, axillary lymph nodes and vessels, brachial plexus cords and its branches |
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Term
where does the axillary artery begin |
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Definition
at the lateral border of rib 1 as a continuation of the subclavian artery |
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Term
where does the axillary artery end |
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Definition
at the lower border of teres major where it becomes the brachial artery |
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Term
what is the axillary artery surrounded by |
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Definition
cords of brachial plexus and their branches |
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Term
what muscle crosses in front of the axillary artery dividing it |
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Definition
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Term
what are the boundries of the 1st part of the axillary artery |
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Definition
lateral border of 1st rib to medial border of pectoraliz minor |
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Term
what are the boundries of the 2nd part of the axillary artery |
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Definition
posterior to pectoralis minor |
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Term
what are the boundries of the 3rd part of the axillary artery |
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Definition
from lateral border of pectoralis minor to lower border of teres major |
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Term
what are the branches of the 1st part of the axillary artery |
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Definition
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Term
what does the superior thoracic artery supply |
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Definition
upper two intercostal spaces |
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Term
what are the branches of the second part of the thoracic artery |
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Definition
thoracoacromial artery, lateral thoracic artery |
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Term
where does the thoracoacromial artery originate |
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Definition
close to medial border of pectoralis minor |
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Term
what does the thoracoacromial artery pierce |
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Definition
clavipectoral fascia (costocoracoid membrane) |
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Term
what branches does the thoracoacromial artery |
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Definition
clavicular, acromial, pectoral, deltoid |
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Term
where does the lateral thoracic artery originate |
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Definition
close to lateral border of pectoralis minor |
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Term
what does the lateral thoracic artery follow, where to |
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Definition
the lateral pectoralis minor to the thoracic wall |
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Term
what does the lateral thoracic artery supply |
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Definition
pectoralis muscles, serratus anterior, lateral brest |
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Term
what are the branches of the third part of the axillary artery |
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Definition
subscapular artery, anterior circumflex humeral, posterior circumflex humeral |
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Term
what is the largest branch of the axillary artery |
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Definition
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Term
what muscle does the subscapular artery descend on |
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Definition
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Term
what are the branches of the subscapular artery |
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Definition
circumflex and thoracodorsal |
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Term
what does the circumflex scapular artery supply |
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Definition
muscles on posterior aspect of scapula |
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Term
what does the circumflex scapular artery curve around |
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Definition
lateral border of scapula in triangular zone |
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Term
what does the thoracodorsal artery follow |
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Definition
lateral border of scapula |
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Term
what does the thoracodorsal artery sypply |
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Definition
muscles on posterior axilla wall |
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Term
where does the thoracodorsal artery end |
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Definition
in the latissimus dorsi muscle |
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Term
what does the anterior circumflex humeral artery pass around |
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Definition
front of surgical neck of humerus |
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Term
what does the posterior circumflex humeral artery pass through |
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Definition
quadrangular space with axillary nerve, skirts posterior aspect of surgical neck of humerus |
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Term
where does the posterior circumflex humeral artery end |
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Definition
anstomoses with anterior circumflex humeral artery |
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Term
what are the arteries that participate in anastomoses around the scapula, where do they come from |
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Definition
dorsal scapular from the subclavuan, suprascapular from the subclavian, subscapular from axillary |
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Term
where does the axillary vein form |
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Definition
lower border of teres major |
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Term
what joins to make the axillary vein |
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Definition
2 brachial veins and basalic vein |
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Term
what is the axillary vein anterior to |
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Definition
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Term
where does the axillary vein terminate |
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Definition
lateral border for rib 1 where it becomes aubclavian |
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Term
what are the tributaries of the axillary vein |
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Definition
correspond with branches of the axillary artery and cephalic vein |
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Term
what are the groups of axillary lymph nodes |
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Definition
anterior (pectoral), posterior (aubscapular), lateral, apical, central |
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Term
where are the anterior axillary lymph nodes located |
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Definition
along lateral border of the pectoralis minor |
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Term
what do the anterior axillary lymph nodes recieve |
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Definition
lateral quadrents of breast and superificial lymph vessels from anterior thoracic wall and anterior abdominal wall above umbilicus |
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Term
where are the posterior axillary lymph nodes located |
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Definition
in front of subscapularis |
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Term
what do the posterior axillary lymph nodes recieve |
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Definition
superificial lymph vessels from back above iliac crest |
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Term
where are the lateral axillary lymph nodes located |
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Definition
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Term
what do the lateral axillary lymph nodes recieve |
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Definition
most lymph from upper limb except those accompanying the cephalic vein |
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Term
where does lymph accompanying the cephalic vein drain into |
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Definition
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Term
where are the central axillary nodes located |
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Definition
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Term
what do the central axillary nodes recieve |
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Definition
lymph from lateral, posterior, and anterior axillary nodes |
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Term
where are the apical axillary lymph nodes located |
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Definition
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Term
what do the apical axillary lymph nodes recieve |
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Definition
lymph from all other axillary nodes and from lymph vessels by cephalic vein |
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Term
where do the efferent vessels from the apicalaxillary nodes go |
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Definition
join to form subclavian lymph trunk and some may go into supraclavicular nodes |
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Term
where does the aubclavian lymph trunk drain |
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Definition
into thoracic duct (left) and right lymphatic duct (right) |
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Term
explain the organization of the brachial plexus |
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Definition
roots > trunks > divisions > cords > terminal branches |
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Term
what makes the roots of the brachial plexus |
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Definition
ventral rami of spinal nerves C5-8 and most of ventral rami of T1 |
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Term
what makes the sueprior trunk of the brachial plexus |
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Definition
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Term
what makes the middle trunk of the brachial plexus |
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Definition
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Term
what makes the inferior trunk of the brachial plexus |
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Definition
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Term
what are the division of the brachial plexus, what makes them |
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Definition
each trunk (superior, middle, inferior) divides into anterior and posterior divisions making 6 divisions |
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Term
what makes the posterior cord of the brachial plexus |
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Definition
posterior divisions of all three trunks |
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Term
what makes the lateral cord of the brachial plexus |
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Definition
anterior divisions of the superior and middle trunks |
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Term
what makes the medial cord of the brachial plexus |
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Definition
anterior division of the inferior trunk |
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Term
what are the terminal branches of the posterior cord |
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Definition
axillary and radial nerves |
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Term
what are the terminal branches of the lateral cord |
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Definition
musculocutanrous and lateral root of median nerve |
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Term
what are the terminal branches of the medial cord |
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Definition
ulnar nerve and medial root of median nerve |
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Term
what are the additional branches from the roots of the brachial plexus |
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Definition
dorsal scapular nerve, long thoracic nerve |
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Term
what are the additional branches from the superior trunk of the brachial plexus |
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Definition
nerve to the subclavias, suprascapular nerve |
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Term
what are the additional branches from the posterior cordof the brachial plexus |
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Definition
upper and lower subscapular nerves, thoracodorsal nerve |
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Term
what are the additional branches from the lateral cord of the brachial plexus |
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Definition
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Term
what are the additional branches from the medial cord of the brachial plexus |
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Definition
medial pectoral nerve, medial cutaneous nerve of arm, medial cutaneous nerve of forearm |
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