The French vitalism is different from vitalism in general. It is a position of some physiologists who worked from the end of the 18th century to the early days of the 19th century, defending the peculiarity of life phenomena in contrast to the Cartesian theory of the animal-machine. Its main representatives are Paul-Joseph Barthez and Theophile de Bordeu, who belonged to the vitalist school of Montpellier. They argue, in contrast to mechanism, that life involves a special principle and cannot be explained in terms of physical and chemical properties alone. Marie Francois Xavier Bichat (1771-1802), inheriting this position, endeavored to establish physiology as a science which cannot be reduced to the physical sciences. He was also the first to introduce the notion of tissues as distinct entities. The aim of his concept of physiology is to explain the whole of life phenomena through the ultimate properties of tissues, that is, through sensibility and contractility. After Bichat, Francois Magendie inherited his experimental concepts, but critiqued his vitalism. Claude Bernard, known as the founder of experimental physiology, was influenced considerably by Bichat's idea of physiology. Through the notion of tissues, he unites zoology, botany and medicine in the domain of general physiology. Additionally, his concept of "milieu interieur" results from his study of Bichat's physiology, particularly from the concept of the "natural type".
Botany ; Humans ; Natural Science Disciplines ; Vitalism ; Zoology

China ; History, 20th Century ; Humans ; Portraits as Topic ; Zoology/history*

Biology ; history ; China ; History, 20th Century ; Zoology ; history

Academies and Institutes/history* ; Animals ; Biostatistics/history* ; China ; Ecology/history* ; History, 20th Century ; Humans ; Insecta/physiology* ; Vertebrates/physiology* ; Zoology/history*

BACKGROUND AND OBJECTIVES: Placenta and blood that remained in the umbilical cord is routinely available as a discarded tissue after deliveries and it is free of any legal, moral, ethical or religious objections, providing a high number of multipotent CD34+ progenitor and stem cells. Using ex vivo isolated CD34+ cells from human umbilical cord blood (hUCB) have emerged as promising candidates to treat various diseases, including exogenous pathogenic infections. We have expanded to build a rational approach to study the effect of CD34+ cells after damaged liver tissues by the devastating human parasitic flatworm Schistosoma mansoni. METHODS AND RESULTS: Experimental studies were conducted in the Department of Zoology, Faculty of Science and Departments of Parasitology and Physiology, Faculty of Medicine, SCU, Egypt. We have studied the impact of ex vivo preparation of CD34+ cells from hUCB on S. mansoni-induced liver fibrosis de novo, and treated for shorter and longer periods in vivo. Ova count, ALT and albumin were measured at specific time interval and histopathological examination of liver was conducted to confirm the biochemical results. The data obtained were statistically analyzed by ANOVA between groups. It was found that the administration of CD34+ cells have modestly reduced liver damage; reduced the S. mansoni infection associated elevation in serum levels of ALT; significantly improved serum levels of albumin and reduced egg granuloma diameter in the livers. CONCLUSIONS: We demonstrated that CD34+ cells can markedly ameliorated liver fibrosis in vivo and may be beneficial for therapy to recover organ structure and/or function of S. mansoni-infected mice.
Animals ; Egypt ; Fetal Blood ; Fibrosis ; Granuloma ; Humans ; Liver ; Liver Cirrhosis ; Mice* ; Ovum ; Parasitology ; Physiology ; Placenta ; Platyhelminths ; Schistosoma mansoni* ; Stem Cells ; Umbilical Cord ; Zoology

Abstract.
China ; Entomology ; Forensic Entomology ; Forensic Medicine ; Forensic Sciences ; Humans

Asians ; China ; Dermatitis ; Entomology ; Humans

Animals ; Entomology ; history ; History, 20th Century ; Insecta

It is difficult to estimate PMI of whom died long times ago, because corpse goes by many decomposition stages. So it makes investigation more difficult. Nowadays many studies about PMI estimation have been performed. In other countries, forensic entomology studies which is possible to estimate not characteristic of death site but also exact death time are actively advanced. So forensic entomology has been more important related not PMI estimation but also many lawsuits in other countries. In Korea, the necessity of Forensic entomology has increased after occuring of the case 'Gaeguri Sonyeon(missing boys who went to catch a flog)'. In this case, regional characteristic is known by insects found on the corpse or clothes. We suggest possibility of applying forensic entomology, consideration, some limitations and the direction of the future study through the analysis, comparison with true facts, and PMI estimation using collected fly larvae in "Hwaseong Case".
Cadaver ; Diptera ; Entomology* ; Female ; Humans ; Insects ; Korea ; Larva

Forensic entomology provides a feasible way to estimate postmortem interval (PMI), of which the growth and development of sarcosaprophagous insects is the most widely used indicator in forensic practice. Over the years, forensic entomologists have carried out a large number of studies on the development biology of sarcosaprophagous insects. This paper illustrates the main factors that affect the development of sarcosaprophagous insects, including temperature, humidity, light, food types and poisons. The development indicators of sarcosaprophagous insects were reviewed from the perspectives of morphology, differential gene expression and biochemical characteristics. It is emphasized that future research of development biology on sarcosaprophagous insects should fully absorb and integrate the methods of artificial intelligence and omics, and the research object also needs further expansion in order to establish a more objective and more accurate PMI estimation method.
Animals ; Artificial Intelligence ; Developmental Biology ; Diptera ; Entomology ; Insecta ; Postmortem Changes