Shared Flashcard Set

Details

Anatomy Axilla and Brachial Plexus
KYCOM Block 4
80
Anatomy
Graduate
11/15/2012

Additional Anatomy Flashcards

 


 

Cards

Term
what are the boundries of the axilla
Definition
upper arm and side of thorax
Term
what is the general function of the axilla
Definition
passage for lymph, notves, vessels
Term
what is another word for the apex of the axilla
Definition
cervico axillary canal
Term
in what way is the apex of the axilla directed
Definition
towards the root of neck
Term
what is the anterior boundry of the axilla apex
Definition
posterior border of clavicle
Term
what is the posterior boundry of the axilla apex
Definition
superior border of the scapula
Term
what is the medial boundry of the axilla apex
Definition
lateral border of rib 1
Term
what is the anterior boundry of the base of the axilla
Definition
anterior axillary fold formed by the lower border of the pectoraliz major
Term
what is the posterior border of the base of the axilla
Definition
posterior axillary fold formed by lower borders of teres major and latissimus dorsi
Term
what is the medial border of the base of the axilla
Definition
thoracic wall
Term
what muscles form the anterior wall of the axilla
Definition
pectoralis major, pectoralis minor, subclavius, clavipectoral fascia
Term
what muscles form the posterior wall of the axilla
Definition
acapula, aubscapularis, teres major, latissimus dorsi
Term
what forms the medial border of the axilla
Definition
upper 4/5 ribs and intercostal spaces between them covered by serratus anterior
Term
what forms the lateral wall of the axilla
Definition
bicipital (intertubercular) groove of the humerus
Term
what are the contents of the axilla
Definition
axillary artery and vein and their branches, axillary lymph nodes and vessels, brachial plexus cords and its branches
Term
where does the axillary artery begin
Definition
at the lateral border of rib 1 as a continuation of the subclavian artery
Term
where does the axillary artery end
Definition
at the lower border of teres major where it becomes the brachial artery
Term
what is the axillary artery surrounded by
Definition
cords of brachial plexus and their branches
Term
what muscle crosses in front of the axillary artery dividing it
Definition
pectoraliz minor
Term
what are the boundries of the 1st part of the axillary artery
Definition
lateral border of 1st rib to medial border of pectoraliz minor
Term
what are the boundries of the 2nd part of the axillary artery
Definition
posterior to pectoralis minor
Term
what are the boundries of the 3rd part of the axillary artery
Definition
from lateral border of pectoralis minor to lower border of teres major
Term
what are the branches of the 1st part of the axillary artery
Definition
superior thoracic
Term
what does the superior thoracic artery supply
Definition
upper two intercostal spaces
Term
what are the branches of the second part of the thoracic artery
Definition
thoracoacromial artery, lateral thoracic artery
Term
where does the thoracoacromial artery originate
Definition
close to medial border of pectoralis minor
Term
what does the thoracoacromial artery pierce
Definition
clavipectoral fascia (costocoracoid membrane)
Term
what branches does the thoracoacromial artery
Definition
clavicular, acromial, pectoral, deltoid
Term
where does the lateral thoracic artery originate
Definition
close to lateral border of pectoralis minor
Term
what does the lateral thoracic artery follow, where to
Definition
the lateral pectoralis minor to the thoracic wall
Term
what does the lateral thoracic artery supply
Definition
pectoralis muscles, serratus anterior, lateral brest
Term
what are the branches of the third part of the axillary artery
Definition
subscapular artery, anterior circumflex humeral, posterior circumflex humeral
Term
what is the largest branch of the axillary artery
Definition
subscapular
Term
what muscle does the subscapular artery descend on
Definition
subscapularis muscle
Term
what are the branches of the subscapular artery
Definition
circumflex and thoracodorsal
Term
what does the circumflex scapular artery supply
Definition
muscles on posterior aspect of scapula
Term
what does the circumflex scapular artery curve around
Definition
lateral border of scapula in triangular zone
Term
what does the thoracodorsal artery follow
Definition
lateral border of scapula
Term
what does the thoracodorsal artery sypply
Definition
muscles on posterior axilla wall
Term
where does the thoracodorsal artery end
Definition
in the latissimus dorsi muscle
Term
what does the anterior circumflex humeral artery pass around
Definition
front of surgical neck of humerus
Term
what does the posterior circumflex humeral artery pass through
Definition
quadrangular space with axillary nerve, skirts posterior aspect of surgical neck of humerus
Term
where does the posterior circumflex humeral artery end
Definition
anstomoses with anterior circumflex humeral artery
Term
what are the arteries that participate in anastomoses around the scapula, where do they come from
Definition
dorsal scapular from the subclavuan, suprascapular from the subclavian, subscapular from axillary
Term
where does the axillary vein form
Definition
lower border of teres major
Term
what joins to make the axillary vein
Definition
2 brachial veins and basalic vein
Term
what is the axillary vein anterior to
Definition
axillary artery
Term
where does the axillary vein terminate
Definition
lateral border for rib 1 where it becomes aubclavian
Term
what are the tributaries of the axillary vein
Definition
correspond with branches of the axillary artery and cephalic vein
Term
what are the groups of axillary lymph nodes
Definition
anterior (pectoral), posterior (aubscapular), lateral, apical, central
Term
where are the anterior axillary lymph nodes located
Definition
along lateral border of the pectoralis minor
Term
what do the anterior axillary lymph nodes recieve
Definition
lateral quadrents of breast and superificial lymph vessels from anterior thoracic wall and anterior abdominal wall above umbilicus
Term
where are the posterior axillary lymph nodes located
Definition
in front of subscapularis
Term
what do the posterior axillary lymph nodes recieve
Definition
superificial lymph vessels from back above iliac crest
Term
where are the lateral axillary lymph nodes located
Definition
along axillary vein
Term
what do the lateral axillary lymph nodes recieve
Definition
most lymph from upper limb except those accompanying the cephalic vein
Term
where does lymph accompanying the cephalic vein drain into
Definition
apical lymph nodes
Term
where are the central axillary nodes located
Definition
in center of axilla
Term
what do the central axillary nodes recieve
Definition
lymph from lateral, posterior, and anterior axillary nodes
Term
where are the apical axillary lymph nodes located
Definition
apex of axilla
Term
what do the apical axillary lymph nodes recieve
Definition
lymph from all other axillary nodes and from lymph vessels by cephalic vein
Term
where do the efferent vessels from the apicalaxillary nodes go
Definition
join to form subclavian lymph trunk and some may go into supraclavicular nodes
Term
where does the aubclavian lymph trunk drain
Definition
into thoracic duct (left) and right lymphatic duct (right)
Term
explain the organization of the brachial plexus
Definition
roots > trunks > divisions > cords > terminal branches
Term
what makes the roots of the brachial plexus
Definition
ventral rami of spinal nerves C5-8 and most of ventral rami of T1
Term
what makes the sueprior trunk of the brachial plexus
Definition
ventral rami C5-5
Term
what makes the middle trunk of the brachial plexus
Definition
ventral rami C7
Term
what makes the inferior trunk of the brachial plexus
Definition
ventral rami C8-T1
Term
what are the division of the brachial plexus, what makes them
Definition
each trunk (superior, middle, inferior) divides into anterior and posterior divisions making 6 divisions
Term
what makes the posterior cord of the brachial plexus
Definition
posterior divisions of all three trunks
Term
what makes the lateral cord of the brachial plexus
Definition
anterior divisions of the superior and middle trunks
Term
what makes the medial cord of the brachial plexus
Definition
anterior division of the inferior trunk
Term
what are the terminal branches of the posterior cord
Definition
axillary and radial nerves
Term
what are the terminal branches of the lateral cord
Definition
musculocutanrous and lateral root of median nerve
Term
what are the terminal branches of the medial cord
Definition
ulnar nerve and medial root of median nerve
Term
what are the additional branches from the roots of the brachial plexus
Definition
dorsal scapular nerve, long thoracic nerve
Term
what are the additional branches from the superior trunk of the brachial plexus
Definition
nerve to the subclavias, suprascapular nerve
Term
what are the additional branches from the posterior cordof the brachial plexus
Definition
upper and lower subscapular nerves, thoracodorsal nerve
Term
what are the additional branches from the lateral cord of the brachial plexus
Definition
lateral pectoral nerve
Term
what are the additional branches from the medial cord of the brachial plexus
Definition
medial pectoral nerve, medial cutaneous nerve of arm, medial cutaneous nerve of forearm
Supporting users have an ad free experience!