Category: E
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Eicosanoids
Are signaling molecules made by oxygenation of arachidonic acid, a 20-carbon essential fatty acid, includes prostaglandins and related compounds. Compounds formed in the body from long-chain polyunsaturated fatty acids (eicosenoic acids, mainly arachidonic acid), formed by cyclooxygenase or lipoxygenase, including the prostaglandins, prostacyclins, thromboxanes, and leukotrienes, all of which act as local hormones and are…
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EGR-1
Early growth response 1, a human gene.
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EGFR proteins
Epidermal growth factor receptor (EGFR) proteins – Protein kinases are enzymes that transfer a phosphate group from a phosphate donor onto an acceptor amino acid in a substrate protein.
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ED 50
Is defined as the dose producing a response that is 50% of the maximum obtainable.
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Eczematous rash
Dry, scaly, itchy rash.
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Eczema
Is broadly applied to a range of persistent skin conditions. These include dryness and recurring skin rashes which are characterized by one or more of these symptoms: redness, skin edema, itching and dryness, crusting, flaking, blistering, cracking, oozing, or bleeding. An inflammatory condition of the skin characterised by redness, itching, scales, crusts or scabs alone…
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EC–SOD
Extracellular superoxide dismutase, a tissue enzyme mainly found in the extracellular matrix of tissues. It participates in the detoxification of reactive oxygen species by catalyzing the dismutation of superoxide radicals.
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Ecbolic
A drug (as an ergot alkaloid) that tends to increase uterine contractions and that is used especially to facilitate delivery. Causing contraction of the uterus and thus inducing abortion or promoting parturition. A substance which produces contraction of the uterus and so induces childbirth or abortion. An agent, such as oxytocin, that induces childbirth by…
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External resorption
Resorption that initially affects the external surface of a tooth. It may be classified as inflammatory or replacement, or by location as cervical, lateral or apical. It may or may not invade the pulp.
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Early‐onset periodontitis
A previously used term.