منابع مشابه
Nail and Nail Disorders
The nail unit is a dynamic complex which forms an important part of the integument. This complex consists of the nail matrix (NM), nail bed (NB), hyponychium, nail fold (NF) and the nail plate (NP). Cells of the nail matrix, under the protection of the proximal nail fold mature and keratinised to form the NP. The NM contributes to the most portion of the NP while about 10-15% is produced by the...
متن کاملNail formation and some nail disorders
Synopsis---The flat NAIL of some primates, including man, is unique and is usually formed from one area of the nail fold invagination called the MATRIX. This is deeply placed below two layers of EPIDERMIS and is therefore well protected from injury. Alternative .methods of nail formation more closely resemble the formation of a mammalian claw and may be regressions to a more primitive state. Co...
متن کاملCOVID-19 and nail (7)
Although skin manifestations of COVID-19 were reported later than major organs affected, but it seems that they have gained relatively defined and definite described patterns. Regardless of strength and quantity of published papers and reports of rare cases, generally reported cutaneous manifestations are similar. However affection of vairous nail lesions have been mentioned recently. Even thou...
متن کاملSubtrochanteric fractures: Zickel nail or nail-plate?
Of 135 consecutive patients admitted with subtrochanteric fractures of the femur, 104 were studied; half had internal fixation with a Zickel nail and half had a nail-plate device. Fractures treated with a Zickel nail had significantly less blood loss during operation and took less time to walk with full weight-bearing, but the incidence of technical error at operation was higher. Errors include...
متن کاملNail Biting; Etiology, Consequences and Management
Nail biting (NB) is a common, but unresolved, problem in psychiatry, psychology, medicine and dentistry. While it seems that NB is a simple behavior that can be stopped easily, many of the children with NB have already tried to stop it, but they have not been successful. The frustrations due to failed attempt involve others such as parents and siblings. The present review aims at providing an o...
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ژورنال
عنوان ژورنال: International Journal of Cosmetic Science
سال: 2007
ISSN: 0142-5463,1468-2494
DOI: 10.1111/j.1467-2494.2007.00372.x