نتایج جستجو برای: pediculus corporis
تعداد نتایج: 1178 فیلتر نتایج به سال:
The study analyzes sequence variation of two mitochondrial genes (COI, cytb) in Pediculus humanus from three countries (Egypt, Pakistan, South Africa) that have received little prior attention, and integrates these results with prior data. Analysis indicates a maximum K2P distance of 10.3% among 960 COI sequences and 13.8% among 479 cytb sequences. Three analytical methods (BIN, PTP, ABGD) reve...
Resistance of head lice to insecticides with a neurotoxic mode of action, such as permethrin and malathion, is increasing in incidence and geographic extent. As a consequence, physically acting pediculicidal products have emerged. Dimeticones are synthetic silicone oils of low surface tension and can therefore coat most surfaces, thus also killing head lice (Pediculus humanus capitis) by physic...
The mitochondrial (mt) genome of bilateral animals typically consists of a single chromosome, ~16 kb long, and contains 37 genes. Variation in mt gene sequence within an individual, i.e. heteroplasmy, is common in bilateral animals but usually occurs at very low levels. In the lineage that led to the human body louse, the typical mt chromosome has fragmented into 18 minichromosomes: each minich...
The head louse (Pediculus humanus capitis) is a blood-sucking arthropod of the suborder Anoplura. Infestation continues in epidemic proportions in children of all socioeconomic groups. Although not implicated as a disease vector, infestation can lead to considerable distress, missed days of school, and secondary infections. Pyrethroids are recommended for treatment, but resistance is common. Ne...
Head lice (Pediculus humanus capitis) infestations are not a primary health hazard or a vector for disease, but they are a societal problem with substantial costs. Diagnosis of head lice infestation requires the detection of a living louse. Although pyrethrins and permethrin remain first-line treatments in Canada, isopropyl myristate/ST-cyclomethicone solution and dimeticone can be considered a...
In 1684 a learned and ingenious physician, Nehemiah Grew, published the first description of the epidermal ridges which make characteristic patterns when prints are taken of fingertips. These "innumerable little ridges of equal bigness and distance, and everywhere running parallel one with another," contain the pores of the sweat glands. Grew also noted that they were disposed into " ellipticks...
results a total number of 20 out of 1772 (1.12%) examined students were found to be infested by lice. although the infestation rate was higher in girls, the difference of infestation rate between genders was not statistically significant (p > 0.05). the rate of head lice infestation was siginificantly (p < 0.05) correlated to their hair-washing behavior. parents’ literacy level also was siginif...
به منظور بررسی ارزش روش ایمونوفلورسانس در تشخیص آزمایشگاهی سالک 110 نفر که دارای زخم های مشکوک به سالک بودند و برای آزمایش از نظر جسم لیشمان به دانشکده بهداشت و انستیتو تحقیقات بهداشتی معرفی شده بودند تحت برسی قار گرفتند. از بیماران گسترشهایی از زخم و نمونه خون از نوک انگشت تهیه می شد. در گسترش های تهیه شده با آزمایش میکروسکپی دقیق جستجوی جسم لیشمن و در پلاسمای جدا شده از نمونه خون با آزمایش فل...
background: dermatophytosis is a very common fungal infection of skin, hair and nail caused by dermatophytes. the purpose of this study was to evaluate the clinical patterns and etiology of dermatophytosis in babol, northern iran. methods: from september 2003 to december 2005, 200 patients with dermatophytosis who were admitted in the dermatology clinic of babol medical university were studied....
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