نتایج جستجو برای: acne keloidalis nuchae
تعداد نتایج: 7197 فیلتر نتایج به سال:
The clean-shave haircut known locally as the chiskop is rare among females but popular with black South African men, who are also predisposed to folliculitis keloidalis nuchae (FKN) (keloids on the back of the head). During a previous study, participants described an unexpected symptom of haircut-associated bleeding. As this is not a widely recognised entity, we conducted the present study at a...
This paper describes the isolation and amino acid analysis of un-cross-linked elastin obtained by neutral salt extraction from the ligamentum nuchae of a calf fed from birth to 9 months on a diet low in copper.
1. Insoluble elastin has been prepared by several different methods from adult bovine and calf ligamentum nuchae. Highly purified tropoelastin has been prepared from copper-deficient porcine aorta. 2. Amino acid analyses indicated that all preparations, except that obtained from calf ligamentum nuchae by using an EDTA extraction followed by collagenase digestion (preparation E6), were typical o...
Cell cultures derived from foetal bovine ligamentum nuchae accumulate extracellular fibrils morphologically identical with elastic-tissue microfibrils. Two glycoproteins synthesized by the ligament cells are closely related to the matrix microfibrils as assessed by immunological and chemical extraction techniques.
A cross-sectional, community-based study was performed to determine the prevalence and severity of acne vulgaris in adolescents and of factors influencing the acne severity risk. The presence of acne was clinically determined and the secondary outcome measures of family acne history and the relation of acne to nutrition habits, emotional stress, menstruation, and smoking were recorded in a ques...
The first total synthesis of (-)-spirangien A, a cytotoxic and antifungal polyketide of myxobacterial origin, is reported; this exploits a Stork-Wittig olefination and double Stille cross-coupling sequence to install the sensitive pentaene side chain onto a fully elaborated spiroacetal core, leading initially to the methyl ester of spirangien A.
Acne is a common disease especially among teenagers. It has a considerable psychological impact on affected individuals. The aim of this paper was to assess if the effect of acne on acne-related quality of life is correlated to acne clinical severity. 112 university female students attending the university medical clinics with acne complaints were examined. Cardiff Acne Disability Index (CADI) ...
Background and Aim: Cicatricial (scarring) alopecia is a group of disorders in which permanent hair loss results from replacement of hair follicles by fibrosis or hyalinized collagen, which includes two types: primary such as discoid lupus erythematosus (DLE), lichen plano pilaris (LPP), frontal fibrosing alopecia (FFA), Folliculitis decalvans, and secondary like kerion and burn. The aim of thi...
Acne vulgaris is a common skin condition in adolescents. The prevalence of acne is thought to vary between ethnic groups and countries. A large-scale community-based study was performed in six cities in China to determine the prevalence and possible risk factors for acne in the Chinese population. A total of 17,345 inhabitants were included in this study. Of these, 1,399 were found to have acne...
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