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Lichen sclerosus (LS) is a chronic, inflammatory skin disease, of unknown cause, which can affect any body part of any person, but has a strong preference for the genitals (penis, vulva), and is also known as balanitis xerotica obliterans when it affects the penis.
Lichen products play a crucial role in differentiating lichenised fungi, particularly in groups where morphological characteristics are less distinct. This approach is notably applied in the genus Lepraria , which lacks sexual reproduction and ascomata (fruiting bodies), typically key features for species identification. [ 20 ]
The "crimp-on valve", used to control the spray in low-pressure aerosol sprays was developed in 1949 by Bronx machine shop proprietor Robert H. Abplanalp. [8] [12] In 1974, Drs. Frank Sherwood Rowland and Mario J. Molina proposed that chlorofluorocarbons, used as propellants in aerosol sprays, contributed to the depletion of Earth's ozone layer ...
Lichen simplex chronicus (LSC) is thick leathery skin with exaggerated skin markings caused by sudden itching and excessive rubbing and scratching. [1] It generally results in small bumps, patches, scratch marks and scale. [1] It typically affects the neck, scalp, upper eyelids, ears, palms, soles, ankles, wrists, genital areas and bottom. [1]
One such example is the treatment of inhalation of toxic hydrofluoric acid (HF) vapors. [8] Calcium gluconate is a first-line treatment for HF exposure to the skin. By using a nebulizer, calcium gluconate is delivered to the lungs as an aerosol to counteract the toxicity of inhaled HF vapors.
There are records of lichens being used as food by many different human cultures across the world. Lichens are eaten by people in North America, Europe, Asia, and Africa, and perhaps elsewhere. Often lichens are merely famine foods eaten in times of dire needs, but in some cultures lichens are a staple food or even a delicacy.
Lichen planus may be categorized as affecting mucosal or cutaneous surfaces.. Cutaneous forms are those affecting the skin, scalp, and nails. [10] [11] [12]Mucosal forms are those affecting the lining of the gastrointestinal tract (mouth, pharynx, esophagus, stomach, anus), larynx, and other mucosal surfaces including the genitals, peritoneum, ears, nose, bladder and conjunctiva of the eyes.
Inhalant users inhale vapors or aerosol propellant gases using plastic bags held over the mouth or by breathing from an open container of solvents, such as gasoline or paint thinner. Nitrous oxide gases from whipped cream aerosol cans, aerosol hairspray or non-stick frying spray are sprayed into plastic bags.