Lingual thyroid is a developmental anomaly caused by undescended thyroid tissue at the base of the tongue. Lingual thyroid is found predominantly in females and comprises 90% of ectopic thyroid tissue (1). In the majority of patients, the lingual thyroid is the only functioning thyroid gland tissue. Therefore early diagnosis with imaging techniques is clinically important to avoid permanent hyp...

The aim of this study was to investigate the dorsal surface of the long-eared hedgehog tongue using scanning electron microscopy. The tongue of the long-eared hedgehog is rectangular-shaped with an elongated body and a widened root and a marked deep median groove can be seen on its dorsal surface. A characteristic feature of the lingual root is presence of two huge laterally situated folds. The...

objectives: this study aimed to assess the radicular wall thickness in mandibular incisors with two canals and find the maximum and minimum thickness to prevent root canal treatment (rct) procedural errors. materials and methods: a total of 160 extracted mandibular incisors were selected and radiographed; out of which, 55 had two canals. three parallel transverse sections were made in each toot...

Evaluation of interactive cross-lingual information retrieval systems has been the focus of recent research. The goal is to support the users in formulating effective queries and selecting the documents which satisfy their information needs regardless of the language of the documents. This dissertation aims at harnessing the user-system interaction, extracting the added value and integrating it...

Nowadays, new informational and communicative media, and the rate of their use by individuals have caused deep metamorphoses in the material and non-material dimensions of human lives, and individuals’ mental regulation. The use of these media, especially the Internet and virtual social networks, among Iranian teenagers has unnoticeably increased, and providing numerous facilities and opt...