tarantulas have recently become as pets in most parts of the world that increased the probability of encountering emergency physicians with patients hurt with these spiders. their attacks usually do not cause general manifestation, however there are some case reports in this regard. here, a 40-year-old man was reported who was referred to the emergency department with severe periumbilical pain ...

more than 40,000 species of spiders have been identified in the world. spider bites is a common problem among people, however few of them are harmful but delay in treatment can cause death. since the spider bites are risk full to human, they should be taken seriously, especially in endemic areas. our objective in this review was to study about poisonous spiders and find out treatments of them. ...

background: in order to describe the patients and evaluate the effectiveness of treatments for widow spider envenomation, investigators require a reliable assessment tool. in this paper, the development of a clinical index for measuring the widow spider bite severity, latrodectus envenomation severity score (less), is described. methods: according to the valid methods for index development, a d...

Spider diagrams are a recently developed visual logic that make statements about relationships between sets, their members and their cardinalities. By contrast, the study of regular languages is one of the oldest active branches of computer science research. The work in this thesis examines the previously unstudied relationship between spider diagrams and regular languages. In this thesis, the ...

The use of a standardized beat sampling method for estimating spruce spider mite, Oligonychus ununguis (Jacobi) (Acari: Tetranychidae), densities on a widely used evergreen ornamental plant species, Juniperus chinensis variety 'Sargentii' A. Henry (Cupressaceae), was examined. There was a significant positive relationship between total spruce spider mite densities and spider mite densities from...

Spiders are poorly studied in Iran, based on the latest studies the spider fauna of Iran includes 394 species in 126 genera belonging to 36 families. Considering the climatic and geographical variation of Iran, it can be assumed that Iran has a rich spider fauna compared to the adjacent countries. The present study seeks to take a new step in the ongoing active research of Iranian spider fauna....

Although spider bites can produce dermonecrotic wounds, the differential diagnosis of such lesions is extensive. Most of the conditions in the differential are far more common than spider bites. Thus, we suggest that you approach the complaint of a "spider bite" with a skeptical eye. Here we describe the clinical features of spider bites and summarize the treatment options. We also examine the ...