vascular variations and the accidental cutting of veins and arteries potentially create problems during surgery and medical treatment. the surgeon's awareness of a vascular variation in the kidneys is essential during renal surgery and transplantation, color doppler imaging, gonadal surgery and in the presence of an abdominal aortic aneurism. this awareness can improve the patient's r...

Abstract The aim of the present study is to show varying asymmetries during decay sunspot groups. source input data SOHO/MDI-Debrecen Database catalog that contains magnetic polarity for time interval 1996–2010. Several types were examined on selected sample 142 leading–following asymmetry increases in three phases and exhibits anticorrelation with size. It also related a hemispheric asymmetry:...