Absence of musculocutaneous nerve in the left axilla


Brachial plexus is formed by ventral divisions of cervical 5, 6, 7, 8 and thoracic 1 segment of spinal cord roots. These roots then divide into trunks as upper, middle and lower. Ventral divisions of upper and middle trunks form lateral cord and ventral division of lower trunk form medial cord. Posterior divisions of all trunks form posterior cord. These… (More)


2 Figures and Tables