Achalasia is a disorder of the primary motility of the esophagus characterized by insufficient rail cover relaxation of the lower part esophageal sphincter and absence of esophageal peristalsis, clinically it presents dysphagia for solids and liquids and "bird-beak" appearance on endoscopic and radiological studies.A 77-year-old man presented at ou
This paper examines the links between student learning and school leadership focusing on Lithuania in comparative perspective.Different aspects of school leadership areas are being outlined, Gift Cards but after a more thorough analysis of the educational effectiveness perspective, it seems that the direct link between principal and student achieve
Actin protrusion dynamics plays an important role in the regulation of three-dimensional (3D) cell migration.Cells form protrusions that adhere to the surrounding extracellular matrix (ECM), mechanically probe the ECM and contract in order to displace the cell body.This results in cell migration that can be directed by the mechanical anisotropy of
Menglong Zhao,1 Zhuang Liu,2,3 Lili Dong,4,5 Hongxin Zhou,4,5 Shuohui Yang,6 Weizhong Wu,4,5 Jiang Lin1 1Department of Radiology, Zhongshan Hospital, Fudan University, and Shanghai Institute of Medical Imaging, Shanghai, People’s Republic of China; Drying Mitts 2Department of Radiology, Fudan University Shanghai Cancer Center, Shanghai, Peopl
Castor fiber Linnaeus, 1758 is the only indigenous species of the genus Castor in Europe and Asia.Due to extensive hunting until the beginning of the 20th century, the distribution of the formerly widespread Eurasian beaver was Gift Cards dramatically reduced.Only a few populations remained and these were in isolated locations, such as the region o