منابع مشابه
Desmosomes in Developing Human Epidermis
Desmosomes play important roles in the cell differentiation and morphogenesis of tissues. Studies on animal models have greatly increased our knowledge on epidermal development while reports on human developing skin are rare due to the difficult accessibility to the samples. Although the morphology of periderm cells and the process how the epidermis develops very much resemble each other, the t...
متن کاملFine Structure of Desmosomes, Hemidesmosomes, and an Adepidermal Globular Layer in Developing Newt Epidermis
The skin of late embryonic, larval, and young postmetamorphic newts, Taricha torosa, has been examined with particular reference to areas of cellular attachment. Stereo electron microscopic techniques and special staining methods for extracellular materials were utilized in addition to conventional avenues of ultrastructural study to investigate the fine architecture of desmosomes, hemidesmosom...
متن کاملDesmosomes
What is the electric field used for? Strongly electric fish have an electric organ discharge that is powerful enough to stun prey and to discourage potential predators. The brief, intermittent discharge pulses generated by strongly electric fish can range up to several hundred volts. In contrast, weakly electric fish generate a discharge that is typically less than a single volt. These discharg...
متن کاملProgramming gene expression in developing epidermis.
As the major proteins of adult keratinocytes, keratins provide biochemical markers for exploring mouse epidermal embryogenesis. Here, we used a modified method of whole-mount in situ hybridization to track skin-specific expression of endogenous keratin mRNAs throughout embryogenesis. To monitor transcriptional regulation, we coupled this with beta-galactosidase expression of a human epidermal k...
متن کاملMucopolysaccharides in human epidermis.
In a previous publication on the Gram staining material of human epidermis we advanced the theory that keratohyalin contained a highly resistant mucopolysaccharide. In the course of normal keratinization this material was decomposed, while in parakeratotic and many other types of pathologic scales it was retained in the horny layer (1). The evidence presented was indirect: we found that the ext...
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ژورنال
عنوان ژورنال: Dermatology Research and Practice
سال: 2010
ISSN: 1687-6105,1687-6113
DOI: 10.1155/2010/698761