axillary vessels
TRANSCRIPT
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ILOs By the end of this lecture, each
student should be able to:1. Describe the origin, course, termination ,
relations & branches of axillary artery.
2. Describe the origin, course, tributaries &termination of axillary vein.
3. Enumerate groups of axillary lymph nodes4. Explain areas of drainage of each groupof axillary L.N.
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Axillary artery is the continuation of
the subclavian artery.Starts at the outer border of thefirst rib .
Ends at lower border of the teresmajor muscle where it continues asthe brachial artery.
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Axillary artery is acontinuation of thesubclavian artery.
Starts at the outerborder of the first
rib .
Ends at lower border
of the teres majormuscle where itcontinues as the
brachial artery.
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Parts of Axillary
Artery
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Pectoralis minor musclecrosses in front of theaxillary artery and divides it
into three parts.
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Axillary artery
12
3
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First part :
Above pectoralis minor
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Branches of first partof axillary artery
One branch
superior thoracicartery
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Superior
thoracic art
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Second part :
Behind pectoralis minor
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Branches of the second part :
1. Thoracoacromial artery -
2. Lateral thoracic artery
AP
C
D
Acromial Pectoral Clavicular Deltoid
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Tho
raco
acromial A
Lat. thoracic A
A
P
C
D
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Third part :
Below pectoralis minor
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Branches of the third part:
1. Subscapular artery
2. Anterior circumflex humeral artery
3. Posterior circumflex humeralartery
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subscapular art
Post. circumflex humeralart
Ant. circumflexhumeral art
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Relations of AxillaryArtery
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skin
Superficial fasciaDeep fascia
ANTERIOR
Pectoralis major
Pectoralisminor
3rd 2nd 1st
2rib 1ribSubscapularisLatissimus
dorsiTeres major
POSTERIOR
Axillary A
1st & 2nd digitationsof serratus ant.
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AXILLAR
Y
ARETERY
AXILLARYVEIN
LATE
RAL
MEDIA
L
Coracob
rachialis
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Surface anatomy of the axillary artery
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Begins at the lower border of teres major muscle
Ends at the outer border of first rib and continues
as the subclavian vein .
as a continuation of the basilic vein .
Axillary vein is medial to axillary artery
Axillary Vein
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BASILIC VEIN
CEPHALIC VEIN
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BASILIC VEIN
AXILLARY VEIN
SUBCLAVIAN VEIN
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Basilic vein
Axillary vein
Cephalic vein
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Tributaries of axillary vein1. Tributaries corresponding to the
branches of the axillary artery.2. Cephalic vein.
3. Two venae comitantes of thebrachial artery.
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BRACHIAL
VEINS
CEPHALIC
VEINTRIBUTARIES
CORRESPONDINGTO
BRANCHESOF
AXILLARY ARTERY
TRIBUTARIES OF AXILLARY VEIN
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Axillary Lymph
Nodes
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1/ anterior (pectoral) group.
2/ posterior (subscapular) group.
3/ lateral group.
4/ central group.5/ apical (Infraclavicular) group .
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Anterior (pectoral) group at lower border of pectoralis minorAlong lateral thoracic vessels
Posterior ( subscapular) group at lower border of subscapularis
Along subscapular vessels
Central group in the center of axilla
near its base
Apical group in the apex
of axilla
Lateral group
along the upper part of humerus
A i l
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pectoralisminor
hum
er
us
Axillary
vein
Anteriorgroup
Posteriorgroup
Lateral
group
Centralgroup
Apicalgroup
G
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1- Central &Lateral
quadrants of theBreast
Anterior Group
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2- Anterolateral wall of thetrunk above umbilicus
P t i G
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1- Axillary tail ofbreast
Posterior Group
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Posterior Group
Back as far as iliac crest
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Supratrochlear L.N.
Lateral L.N.
Infraclavicular L.N.
Lateral groupof
Axillary L.N.
A i l G
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1- upper part ofbreast
Apical Group
+It receives from
AllOther groups
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AnteriorAnteriorAnteriorAnterior(pectoral) group(pectoral) group(pectoral) group(pectoral) group
*Anterolateralwall of the trunk*central & lateralpart of breast
*Back as faras the level of
the iliac
crests +axillary tail ofbreast
PosteriorPosteriorPosteriorPosterior
((((subscapularsubscapularsubscapularsubscapular))))
groupgroupgroupgroup
*All upperlimb except
lateral side offingers, hand,forearm and
arm.
lateral grouplateral grouplateral grouplateral group
centralcentralcentralcentral
groupgroupgroupgroup
apicalapicalapicalapical
groupgroupgroupgroup
infraclavicularinfraclavicularinfraclavicularinfraclavicular
lateral side offingers, hand,
forearm and arm
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Clinical Note
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Since axillary L.N. drain theupper limb, breast, anterior &
posterior body walls above thelevel of umbilicus, therefore in
any inflamation or malignancy inthese areas, examination of
the axillary L. N. isnecessary
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The axillary artery gives thefollowing branches , EXCEPT:
A. Suprascapular artery
B. Superior thoracic artery
C. Lateral thoracic arteryD. Subscapular artery
E. Thoraco-acromial artery
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The 3rd
part of the axillaryartery lies anterior to thefollowing , EXCEPT:
A. Subscapularis
B. Teres majorC. Latissimus dorsi
D. Pectoralis major
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Lymphatics from central &lateral quadrants of the breastdrain DIRECTLY into:
A. Pectoral group of axillary L.N.
B. Lateral group of axillary L.N.C. Posterior group of axillary L.N.
D. Central group of axillary L.N.E. Apical group of axillary L.N.
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