statement of the problem using cbct to determine root morphology minimizes rate of treatment failure and adverse effects, such as gouging and perforations. purpose the aim of this study was to assess morphology of root canals using cbct scans. materials and methods in this cross-sectional study, conducted in the radiology department of hamadan dental school in 2011‒2012, 66 cbct scans were stud...

introduction: medical undergraduates usually understand and memorize anatomical course material with difficulty. also, the current text books and atlases of anatomy and histology do not fulfill all the learning needs of the undergraduates. therefore, it is necessary to consider the role of internet websites and computer programs (i.e. the role of electronic learning) in teaching. the present re...

The paratesticular region is a relatively small anatomical compartment containing a disproportionately large number of anatomic structures. In addition to the testicular collecting system there are mesothelial and mesenchymal components representing extensions of the abdominal cavity and retroperitoneum. The epithelial, mesothelial, and connective tissue elements give rise to a wide variety of ...

background: the northern pike esox lucius is a fresh water species belonging to the esocidae family. it is a carnivorous fish which mostly feeds on invertebrates and fishes. the morphology of its intestine is very useful for understanding the fish’s digestive physiology, diagnosing some intestinal diseases and formulating suitable feeds. objectives: this study was designed to determine the anat...