We are... So, to reframe the inquiry: who are we on a metaphysical level? Which aspects of ourselves are the most universally representative of who we are? How do we fare in the face of the passage of time? For decades, philosophers have debated the concept of diachronic personal identity, which focuses on the question of what keeps us alive. An intricate debate has developed between those who hold the body view (animalism) and those who hold the psychological view (memory) on the question of who we are. The two groups will eventually become so firmly set in their views that they will be unable to compromise. Hylomorphic animalism, or the view that Humans are rational animals, living bodies made of prime matter and a rational soul, is an alternative answer to this divisive question that I propose in this study, following in the footsteps of Aristotle and Aquinas. We only survive if matter and rational souls do.

Background: Ameloblastoma an odontogenic tumor of ectodermal origin has been reported to arise, on rare occasions, in a primordial or dentigerous cyst of a young person. Numerous authors have suggested differing nomenclatures for these ameloblastomas and have sought to describe and classify the clinical and histopathologic features. These tumors have been characterized as a distinct variant exhibiting less aggressive behavior and a lower rate of recurrence than conventional ameloblastoma.Aims: This study was designed to look at the Human papilloma virus as a caurse for Ameloblastoma.Materials and Methods: Samples of Ameloblastoma tumors were traced from the filing system in path lab Beheshti Dental School. Using PCR technique a search was carried out to dated HPV in DNA of samples.Results: There was a clear relationship between the rates of HPV in Ameloblastoma cases.Conclusion: HPV could be a preparing factor for Ameloblastoma.

The is no ideal Heart valve substitute, both mechanical and biologic Heart valve have significant limitation in term of durability, growth potential (for infant and children), compatibility, resistance to infection(1).Tissue-engineered Heart valve have been proposed by physicians and scientists alike to be the ultimate solution for treating valvular Heart disease rather than replacing a diseased or defective native valve with a mechanical or bioprosthesis, a tissue engineered valve would be a living organ with the capability for growth, repair and remodeling in the same way that the native Heart valve does.Over the last decade attempts to create tissue engineered Heart valve have been made with varying degrees of success, constructing these valve from a Varity of cell types and scaffolding materials. Early results in animals and limited clinical application are promising although it will take many years to demonstrate that long-term performance of this valve is comparable or better than conventional prosthetic Heart valve.

Background and Objective: Electricity-related occupational accidents are the fifth leading cause of occupational death. One of the major causes of occupational accidents is Human error; therefore, the Human role as a cause of the accident is highly important and needs to be considered in risk assessment. This study aimed to present a Fuzzy-Human error assessment and reduction technique (HERAT) technique, which can be used to estimate Human error probability in the job of securing the electrical network using the experts' opinions. Materials and Methods: First, the tasks in the power distribution system were analyzed using the HTA(Hierarchical Task Analysis) method. In the next step, the general error probability of each task was determined, and then, the error-causing conditions for each task were determined. Afterward, the linguistic terms of the relevant experts on each error-producing condition were obtained, and then, these linguistic terms were quantified using the fuzzy method and the probability of total Human error for each task was calculated. Finally, tasks were prioritized based on Human error probability. Results: The employment of the HTA technique led to the finding that the operation of securing power grids consisted of five main tasks. The most likely Human error was found to be the task of interrupting the power supply, which was revealed using the Fuzzy-Heart technique. Conclusion: The results showed that the proposed Fuzzy-Heart technique has been successfully applied in estimating the Human error probability. The proposed method could identify the error-causing conditions and estimate the impact contribution to each of these conditions.

Objective: This study evaluated the correlation between Human leukocyte antigens and rheumaticHeart disease in Iranian population. Background; Rheumatic fever and chronic rheumatic valvular Heart disease are one of the major public health.problems in this country,as well as in most of the developingcountries. Methods: The distribution of Human leukocyte antigens was evaluated in 92 rheumatic valvular Heart disease patients. Class I (A, 13and C) and class n (DR and DQ) antigenswere studied in 92 patients and comparedwith 200 normal subjects. Results: This study showed significantcorrelations between rheumatic Heart disease and DQW2 antigen, (57.4% versus 19%, p<0.0001) as well as DRW53 (47.5% versus 8.5%, p<0.0001) and A24 (31.2% versus 13.3%,p<0.005). Conclusion: Human leukocyte antigens (DQW2, DRW53 and A24) are more ftequent in rheumatic valvular Heart disease than normal population and could be.markers for more susceptibilityto rheumatic Heart diseasein Iranianpopulation.