Mindblown: a blog about philosophy.
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Allogeneic bone graft
Graft between genetically dissimilar members of the same species. Iliac cancellous bone and marrow, freeze‐dried bone allograft (FDBA), and demineralized freeze‐dried bone allograft (DFDBA) are available commercially from tissue banks.
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Allogeneic
Antigenically distinct individuals or tissues from the same genetic species. In transplantation biology, denoting individuals (or tissues) that are of the same species however antigenically distinct; also called homologous allogeneic graft. Cells or tissues which are genetically different because they are derived from separate individuals of the same species. Also refers to a type of…
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Allodynia
Pain resulting from a nonnoxious stimulus to normal skin or mucosa that does not normally provoke pain. Pain of the skin caused by something such as clothing which usually does not cause pain. Pain from stimuli that are not normally painful. The pain may occur other than in the area stimulated. Various diseases can cause…
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Allergy
The altered reactivity of a sensitized individual on exposure to an allergen. A hypersensitivity state induced by exposure to a particular antigen (allergen) resulting in harmful immunologic reactions on subsequent exposures. The term is usually used to refer to hypersensitivity to an environmental antigen (atopic allergy or contact dermatitis) or to drug allergy. Hypersensitivity, or…
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Allergen
A substance capable of producing allergy or specific hypersensitivity. A chemical compound, commonly a protein, which causes the production of antibodies, and hence an allergic reaction. Substances capable of eliciting an immunologic response. Allergens in food are either proteins, glycoproteins, or polypeptides. Allergens can also be airborne or can be absorbed through the skin. The…
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Allele
Mutually exclusive forms of the same gene, occupying the same locus on homologous chromosomes, and governing the same biochemical and developmental process. Any of a number of codings for a gene; different versions of a gene. Any one of a series of different genes that may occupy the same location (locus) on a specific chromosome.…
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Alkaline phosphatase
Enzyme found in high concentrations in osteoblasts; commonly located on cytoplasmic processes extending into the osteoid. The level of alkaline phosphatase in serum is a systemic indicator for bone formation. A blood test used to measure an enzyme to determine the presence of skeletal diseases and certain types of liver diseases. An enzyme in the…
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Algorithmic dental occlusion (ADO)
Computer algorithms used to establish virtual occlusion and movements. The algorithms encode physical motions and responses for each tooth and its respective antagonists and neighboring teeth. The advantage of ADO is that it allows for pursuing the goal of optimal occlusion, as defined by clinical standards, with the untiring effort of a computer.
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Algorithm
An instance of logic written into software by software developers to be effective for computer(s) to produce output from given input. An algorithm is a procedure or formula for solving a problem in a finite, logical manner. Algorithms are self‐contained, step‐by‐step sets of operations to be performed by the software program. They are widely used…
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Alginate
An impression material derived from seaweed that sets in an irreversible rubbery mass. Any salt of alginic acid. It is derived from kelp, a type of seaweed, and is used as a thickener in foods and as a pharmaceutical aid. In dentistry, this irreversible hydrocolloid is used as a material for taking impressions. Derived from…
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