in order to study the distribution of argasidae family ticks and the role of o.tholozani in transmitting the relapsing fever agent in rural areas of central province, an investigation was carried out from june to november 1992. in this study, 3371 specimens from 70 villages were collected by simple sampling method technique and subsequently were identified in laboratory. the results showed that...

The gynoecium is the female reproductive structure of flowering plants. Here we present a description of the Arabidopsis thaliana gynoecium at anthesis. The cylindrical organ can be broken down into three longitudinal regions arranged in an apical-basal order: stigma, style, and ovary. Each region can be distinguished histologically and morphologically. The transmitting (pollination) tract is a...