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Skin expansion is a common surgical procedure to grow extra skin through controlled mechanical overstretch. It creates skin that matches the color, texture, and thickness of the surrounding tissue, while minimizing scars and risk of rejection. [1] When skin is stretched beyond its physiological limit, mechanotransduction pathways
Urushiol / ʊ ˈ r uː ʃ i. ɒ l / is an oily mixture of organic compounds with allergenic properties found in plants of the family Anacardiaceae, especially Toxicodendron spp. (e.g., poison oak, Chinese lacquer tree, poison ivy, poison sumac), Comocladia spp. (maidenplums), Metopium spp.
Grafting wax is a composition of rosin, beeswax, tallow, and similar materials, [1] used in gluing and sealing the wounds of newly grafted trees or shrubs [2] to protect them from infection. The current formulation typically used in the northwestern portion of the United States for fruit trees, is based on a mixture created by Albert Sak, a ...
A plant cuticle is a protecting film covering the outermost skin layer of leaves, young shoots and other aerial plant organs (aerial here meaning all plant parts not embedded in soil or other substrate) that have no periderm. The film consists of lipid and hydrocarbon polymers infused with wax, and is synthesized exclusively by the epidermal cells.
Hydrophobic soil is a soil whose particles repel water. The layer of hydrophobicity is commonly found at or a few centimeters below the surface, parallel to the soil profile. [1] This layer can vary in thickness and abundance and is typically covered by a layer of ash or burned soil.
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Despite the inevitability of soil retrogression and degradation, most soil cycles are long. [117] Soil-forming factors continue to affect soils during their existence, even on stable landscapes that are long-enduring, some for millions of years. [117] Materials are deposited on top [123] or are blown or washed from the surface. [124]
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