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A scab covering a healing wound. As keratinocytes migrate, they move over granulation tissue but stay underneath the scab, thereby separating the scab from the underlying tissue. [42] [47] Epithelial cells have the ability to phagocytize debris such as dead tissue and bacterial matter that would otherwise obstruct their path. Because they must ...
The ancient Romans used a form of lime mortar that has been found to have self-healing properties. [3] By 2014, geologist Marie Jackson and her colleagues had recreated the type of mortar used in Trajan's Market and other Roman structures such as the Pantheon and the Colosseum and studied its response to cracking. [4]
Common salts such as sodium cyanide are involatile but water-soluble, so are poisonous by ingestion. Hydrogen cyanide is a gas, making it more indiscriminately dangerous, however it is lighter than air and rapidly disperses up into the atmosphere, which makes it ineffective as a chemical weapon.
If you’re dealing with tons of scabs or some sort of flare-up, a medicated shampoo will help soothe the itching, moisturize the scalp, and stop the scabs from forming in the first place. Dr.
Common scab, a plant bacterial disease caused by Streptomyces species; Fusarium head blight, a fungal disease of plants, e.g., grain crops (especially wheat and oats), golf course grass, caused by the several species of Fusarium; Pear scab, a pear fungal disease caused by Venturia pirina or Fusicladium pyrorum
Decompression sickness (DCS; also called divers' disease, the bends, aerobullosis, and caisson disease) is a medical condition caused by dissolved gases emerging from solution as bubbles inside the body tissues during decompression.
Air contaminated with carbon monoxide is often contaminated by substances having a smell or taste. Air smelling or tasting of exhaust fumes should not be breathed. Oil getting into the air and partially oxidising in the compressor cylinder, like in a diesel engine, due to worn seals and use of unsuitable oils, or an overheated compressor. [25]
Supercritical hydrolysis is a method of converting all biomass polysaccharides as well the associated lignin into low molecular compounds by contacting with water alone under supercritical conditions. The supercritical water, acts as a solvent, a supplier of bond-breaking thermal energy, a heat transfer agent and as a source of hydrogen atoms.