Regional Anatomy Upper limb- Part 3 Ant region of arm forearm INTERNATIONAL EDITION Hongqi zhang(张红旗) Dissector Dept of Anatomy, Histoembryology Emailzhanghg58@126.com
1 Regional Anatomy Upper limb - Part 3 Ant.region of arm & forearm Hongqi Zhang (张红旗 ) Dept. of Anatomy,Histoembryology Email: zhanghq58@126.com
Male giant adipose tumor Removed tumor
Male giant adipose tumor Removed tumor
Axillary artery and its branches Thoracoacromial a Axillary a Acromial br. Coracoid process Subclavian a Three parts Deltoid br. Superior thoracic a. Landmark Clavicular br. Pectoralis minor /Circumflex humeral teries. c posterior Anterior 1st segment Pectoralis minor m 2nd segment Teres major m 3a segment Lateral thoracic a Circumflex scapular a
Axillary artery and its branches Three parts Landmark Pectoralis minor 1st segment 2nd segment 3rd segment Axillary a
Constitution and main branches of brachial plexus with reference Learn it by yourself Sup. trunk Mid. trunk C Dorsal scapular n. Inf trunk pular n Lat. cord T Post tract 0T2 Med. tract Musculocu -taneous n Long thoracic n Median n Axillary n Radial n Ulnar n Axillary a
Sup.trunk Dorsal scapular n. Post.tract. Inf.trunk. Mid.trunk Supscapular n. Median n. Lat.cord Med.tract. Musculocu -taneous n. Axillary n. Radial n. Ulnar n. Axillary a. Long thoracic n.. Constitution and main branches of brachial plexus with reference Learn it by yourself
The blood vessels nerves of axillary fossa Caracoid process Musculocutaneous n Axillary a Short head of biceps Axillary V Med. antebrachial cutaneous n Coracobrachialis Med brachial cutaneous n Median n Radial n Ulnar n
The blood vessels & nerves of axillary fossa Musculocutaneous n. Short head of biceps Caracobrachialis Radial n. Axillary a. Axillary v. Med.antebrachial cutaneous n. Med.brachial cutaneous n. Median n. Ulnar n. Caracoid process
Brachial plexus the axillary a Roots (ventral rami) ◆ Roots-5 ◆ Trunks-3 ◆ Divisions-6 T1 Lateral cord ◆ Cords-3 Posterior cord ◆ Branches5 Lateral root of Axillary the median n Medial cord Medial root of the median n ● Median n Median n o Ulnar n Axillary n. Pectoralis minor ● Radia|n. Musculocutaneous n ● AXillary r ● Musculocutaneous n Radial n
Brachial plexus & the axillary a. Roots-5 Trunks-3 Divisions-6 Cords-3 Branches-5 Median n. Ulnar n. Radial n. Axillary n. Musculocutaneous n. Axillary a
Post wall of axilla posterior cord of brachial plexus Coracoid process of scapula Posterior cord Greater tubercle Lesser tubercle Subscapular nerves Axillary nerve Middle ( Thoracodorsal) Lower Posterior circumflex humeral artery Radial nerve Subscapularis m Circumflex scapular artery Teres major m Triceps brachii.A (long head) -Latissimus dorsi m Ant, view
Post.wall of axilla & posterior cord of brachial plexus Ant.view
Phrenic n Dorsal scapular n Medial trunk suprascapular n Inferior trunk Posterior Phrenic n First rib artery Long thoracic n Media Medial brachial Cutaneous n cutaneous nerve Median nerve Pectoral n Medial Antebrachial cutaneous Radial nerve Ulnar nerve Thoracodorsal Lateral Pectoral n
Phrenic n Medial Pectoral n. Long thoracic n. Phrenic n. Dorsal scapular n. suprascapular n. Lateral Pectoral n. Medial Antebrachial Cutaneous n. Medial brachial Cutaneous n
The other branches of brachial plexus CLong thoracic n from the nervous roots of brachial plexus. accompanied with lat. thoracic blood vessels to serratus anterior m o Thoracodosal n from the post. cord of brachial plexus descend along the lat. I border of scapular bone and supply the latissimus dorsi. m O Medial antebrachial cutaneous n from the med. cord of brachial plexus locates between axillary vand a supply the skin of the med side of forearm Medial cutaneous n of arm -from the med. cord of brachial plexus locates the med. side of axillary v and supply the skin of the med. side of arm and ant region of arm Q Medial Pectoral n from the med. cord of brachial plexus pass through between axillary a and vsupply mainly the pectoralis minor LAteral pectoral n from the lateral cord of brachial plexus supply mainly the pectoralis major
Long thoracic n.from the nervous roots of brachial plexus. accompanied with lat. thoracic blood vessels to serratus anterior m. Thoracodosal n. from the post. cord of brachial plexus. descend along the lat.l border of scapular bone and supply the latissimus dorsi.m. Medial antebrachial cutaneous n. from the med. cord of brachial plexus. locates between axillary v.and a. supply the skin of the med. side of forearm. Medial cutaneous n.of arm - from the med. cord of brachial plexus. locates the med. side of axillary v.and supply the skin of the med. side of arm and ant. region of arm. Medial Pectoral n. from the med. cord of brachial plexus.pass through between axillary a. and v..supply mainly the pectoralis minor. Lateral pectoral n. from the lateral cord of brachial plexus. supply mainly the pectoralis major. The other branches of brachial plexus
Variance 2 Median n There are two medial heads in median nerve
There are two medial heads in median nerve Median n. 1 Variance 2
