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KMID : 1237720120450040288
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Anatomy & Cell Biology
2012 Volume.45 No. 4 p.288 ~ p.290
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Duplicated axillary arch muscles arising from the latissimus dorsi
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Iamsaard Sitthichai
Uabundit Nongnut
Khamanarong Kimaporn
Sripanidkulchai Kittisak
Chaiciwamongkol Kowit
Namking Malivalaya
Ratanasuwan Somsiri
Boonruangsri Porntip
Hipkaeo Wiphawi
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Abstract
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Many origins and insertions of an axillary muscular slip (also known as Langer’s or axillary arch muscles) have been documented previously. In this report, we found duplicated axillary arch muscles (two variant muscular slips) originating from the inferolateral border of the right side latissimus dorsi muscle. Obviously, these axillary arch muscles can be distinguished as short and long muscular strips. While the origin was the same, the short muscular slip inserts into the fascia covering on the pectoralis minor, whereas the longer one inserts on/into the aponeurosis of pectoralis major. For the surgery in the axillary region, this rare variation should be considered a cause of surgical interventions.
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KEYWORD
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Duplicated axillary arch, Muscular slip, Latissimus dorsi, Aponeurosis
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