VARIANT COURSE AND BRANCHING PATTERN OF THE BRACHIAL ARTERY – A CASE REPORT.

Shubhangi Yadav

Abstract


          Brachial artery is the main artery of the arm. Normally brachial artery begins at the lower border of teres major muscle as continuation of axillary artery. It runs downwards and laterally in the front of arm and crosses the elbow joint. It ends at the level of the neck of radius in the cubital fossa by dividing in to its two terminal branches, the radial and ulnar arteries.                                                         

      A variant course and branching pattern of the left brachial artery was observed during routine dissection of a 55 year old male cadaver in department of anatomy, Banaras Hindu University, Varanasi, U.P. An unusual branch originated from the medial side of the brachial artery of the left arm at the level of lower third of the arm. In the forearm, it passed below the tendon of palmaris longus and passed below the flexor retinaculum. Later it united with the  branches of radial artery to form superficial and deep palmar arches.

        Variations of the arterial patterns in the upper-limb have been the subject of many anatomical studies due to there high incidence.


Keywords


Brachial artery, radial and ulnar arteries.

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References


A.K Datta., Essentials of human anatomy ( superior and inferior extremities)., ed.4 vol.3 pg. 61.

Susan Standring.,Gray’s Anatomy. The Anatomical Basis of Clinical Practice., ed.40 pg.827

B D Chaurasia., Human Anatomy., Upper limb and Thorax., ed 6, vol. 1 , pg. 92.


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