Mindblown: a blog about philosophy.
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Imidazole
The ring is present in polybenzimidazoles. A group of antifungal drugs active against a wide range of fungi and yeasts. Some are also effective against bacteria and helminths. Econazole, clotrimazole, ketoconazole, fluconazole and itraconazole are examples: the drugs are given by mouth or as creams. An organic compound, C3H4N2, characterized structurally by the presence of…
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Id
The part of the personality structure which harbors the unconscious instinctive desires and strivings of the individual.
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Hydroxyproline
A hydroxylated form of the imino acid proline. A deficiency in ascorbic acid can result in impaired hydroxyproline formation. Amino acid found mainly in connective tissue proteins (collagen and elastin); incorporated into the protein as proline and then hydroxylated in a vitamin C-dependent reaction. Peptides of hydroxyproline are excreted in the urine and the output…
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Hydroxylysine
A hydroxylated derivative of the amino acid lysine that is present in certain collagens. Amino acid found only in connective tissue proteins (collagen and elastin); incorporated into the protein as lysine and then hydroxylated in a vitamin C-dependent reaction. An amino acid in collagen. A special form of lysine that is made after the lysine…
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Hydrophobic
Not readily absorbing water, or being adversely affected by water, as a hydrophobic colloid. Water repellant; opposite of hydrophilic. This term means water hating or having a great dislike for water. It is used to describe molecules or portions of molecules that have very little or no affinity for water. The property of having an…
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Hydrophilic
Readily absorbing moisture; hygroscopic; having strongly polar groups that readily interact with water. Attracted to water; water-soluble. This term means water loving or having a great affinity for water. It is used to describe molecules or portions of molecules that have an affinity for water. The property of having an affinity for water at an…
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Hydrolysis
The process of cleaving a chemical compound by the addition of a molecule of water. Chemical reaction of compounds with water. A chemical reaction involving molecular breakdown by reaction with water forming acid or base or both. A chemical process in which a substance is split into simpler compounds by the addition of water. Literally,…
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Hydrogen peroxide
A strong oxidizing agent used in aqueous solution as a ripening agent, bleach, and topical anti-infective. It is relatively unstable and solutions deteriorate over time unless stabilized by the addition of acetanilide or similar organic materials. A solution used as a disinfectant. Clear liquid compound (H2O2) applied in water solution to cleanse wounds and as…
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Hydrogen
The first chemical element in the periodic table. It has the atomic symbol H, atomic number 1, and atomic weight 1. It exists, under normal conditions, as a colorless, odorless, tasteless, diatomic gas. Hydrogen ions are protons. Besides the common H1 isotope, hydrogen exists as the stable isotope deuterium and the unstable, radioactive isotope tritium.…
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Hydration
Combining with water. The process of returning the body fluid levels to normal, dehydration. Process of combining with water, usually reversible; often used medically in reference to the amount of fluid intake and body fluid content—the patient’s state of hydration. A patient is well-hydrated if the normal amount if present, dehydrated if the fluid level…
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