نتایج جستجو برای: human hair
تعداد نتایج: 1671462 فیلتر نتایج به سال:
BACKGROUND Hair and epithelial keratins constitute the major structural components of the skin and its appendages, including the hair fibre. While it is appreciated that selected steroid hormones regulate specific keratins, little is known about the neuroendocrine control of human hair keratin expression. Preliminary evidence had suggested that thyrotropin-releasing hormone (TRH) may regulate k...
Relationships have been established between the concentrations of mercury in human scalp hair and environmental or dietary mercury exposures. For chronic exposures, the hair/blood ratio for mercury is in the range 200:1-300:1, and scalp hair mercury concentrations of greater than 5 ppm are indicative of mercury intoxication. These observations, coupled with the ease by which samples may be coll...
We present a method for realistic, real-time simulation of human hair, which is suitable for the use in complex virtual reality applications. The core idea is to reduce the enormous amount of hair on a human head by combining neighbored hair into wisps and use our cantilever beam algorithm to simulate them. The final rendering of these wisps is done using special hardware accelerated shaders, w...
PURPOSE The assessment of cortisol in hair has gained popularity as a means to measure retrospective hypothalamic-pituitary-adrenal activity in a number of species; however, cortisol levels from human hair subjected to typical chemicals for cosmetic or hygienic purposes may be altered by the chemicals used. The purposed of this study was to determine if exposure of hair to chemical processing o...
Despite the significant advances in regenerative medicine, wound healing has remained a challenging clinical problem. Skin is the largest human organ with many vital functions; therefore, any damage to its normal structure should be treated as soon as possible. Easy access to skin stem cells has created a lot of excitement in therapeutic applications. “Cell therapy” is considered a novel method...
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