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from article Taste

Taste buds in a circumvallate papilla in a mouse tongue with taste cells visualized in color by cell-type-specific fluorescent antibodies. (Credit: Aki Taruno/Perelman School of Medicine, University of Pennsylvania)

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from article Taste

Illustration of the internal structures of a taste bud, which is composed of basal stem cells and three types of taste cells (dark, light, and intermediate). Taste cells extend from the base of the taste bud to the taste pore, where microvilli…

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from article Taste

Lemons and lemonade taste sour because they are very acidic and have a high concentration of hydrogen (H+) ions. (Credit: Mad Circles/Getty Images)

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from article Taste

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from article Amnesia

Amnesia can result from neuronal dysfunction and degeneration. Sections of (left) a normal mouse brain and (right) a mouse brain with neurodegeneration are shown. The dark lines in the left image represent the hippocampus, which is the brain area…

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from article Stress (psychology)

Dimensions of stressful experiences. (Credit: National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health)

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from article Stress (psychology)

Diagram of the hypothalamic-pituitary-adrenal axis. The thicker arrow indicates that the feedback of glucocorticoids on ACTH is most potent. Abbreviations: ACTH, adrenocorticotropic hormone; CRH, corticotropin-releasing hormone. (Copyright ©…

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from article Animal testing

Mice are the most commonly used vertebrate species in animal testing and research. (Credit: Dolores Bonaparte)

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from article Animal testing

The use of animals in biomedical research remains essential, but the handling of these sentient beings must be done humanely to minimize and prevent animal harm. (Credit: U.S. Department of Agriculture)

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from article Thirst and sodium appetite