Ages of Mineral Veins

histological evaluation of the effect of three medicaments; trichloracetic acid, formocresol and mineral trioxide aggregate on pulpotomized teeth of dogs

چکیده ندارد.

A study of various occurrences of the Al2SiO5 polymorphs in the rocks/veins of the Hamedan region, Iran: with special reference to origin of quartz-kyanite veins

The study area is a part of so-called Sanandaj-Sirjan zone or Zagros imbricate zone of the Zagros Orogen, Iran. The Hamedan region comprises a metamorphic sequence of low- to high-grade regional and contact metamorphic rocks intruded by mafic, intermediate and felsic plutonic bodies. The sequence comprises pelitic, psammitic, mafic, calc-pelitic and calc-silicate rocks.  Pelitic rocks are the m...

Varicose Veins

Management of varicose veins.

Varicose veins are twisted, dilated veins most commonly located on the lower extremities. Risk factors include chronic cough, constipation, family history of venous disease, female sex, obesity, older age, pregnancy, and prolonged standing. The exact pathophysiology is debated, but it involves a genetic predisposition, incompetent valves, weakened vascular walls, and increased intravenous press...

Leiomyosarcoma of femoral veins.

Responsible for venous obstruction is a lot of causes, among which area benign or malignant lesions. These lesions obstruct the veins by either intraluminal or extraluminal involvement or by external pressure, due to tumors growing in the surrounding tissues. Owing to its rarity, the Authors report on a case of leiomyosarcoma of the left femoral vein treated in their Unit.