科研之友
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摘要
the anatomical variations of the muscular elements of the axillary regi車n are infrequent and, generally, they are forgotten in modern texts of anatomy. nevertheless, when they exist, they present a serious obstacle for the surgeon, since they alter the anatomical landmarks of reference for the approach to important neural and vascular elements of the regi車n. since the 19th century some authors have described a variety of small muscular fascicles originated in the %26quot;panniculus carnosus%26quot;, that are arranged in relation to neurovasculares elements of the axila. in this occasion we present a finding performed in a corpse, male sex, dissected in the department of anatomy of the school of medicine of the pontificia universidad cat車lica de chile. in the right axillary regi車n, a muscular fascicle is observed that extends from the coracoid process, arranged in front of the subscapularis muscle, and passing behind the neurovascular elements of the axila. in its course, this fascicle takes ci車se relation with the axillary nerve and with the distal portion of the subscapular artery. this aberrant fascicle ends as an aponeurotic expansi車n, arranged ventral to the tend車n of the latissimus dorsi muscle, which melts with the axillary fascia.
