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The jugulocephalic anastomosis is a rare anatomical variant which normally undergoes atrophy during embryonic development. We found 2 cases of the jugulocephalic vein variant with supraclavicular course in Korean male cadavers. In a 50-year-old cadaver, the right cephalic vein ascended anterior to the clavicle, and terminated into the external jugular vein as well as to the axillary vein through a...
Although anatomical variations in the upper limb are frequent, coexistence of multiple combined variations is rare. During a routine educational dissection at Jeju National University Medical School, three muscular variations were found in a 75-year-old Korean male cadaver, in which a supraclavicular cephalic vein was also found in ipsilateral upper extremity during skinning. Here we describe characteristics...
Exposure to polluted ambient air is inevitable in vehicular application of proton exchange membrane fuel cell (PEMFC). SO2 and NO2 are common pollutants which in individual are known to alter PEMFC performance for their presence in the oxidant, as indicated by preceding researchers. However, interacting effects of SO2 and NO2 in the oxidant on PEMFC have not been extensively studied. Concerning the...
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