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11 Cards in this Set
- Front
- Back
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a cell that has differentiated. Embryonic stem cells are undifferentiated meaing they have the ability to become any type of cell in the body. As development progresses and cells divid. Different cells take on different functions. And are thus said to be specialed. Hope that is what you were asking.
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specialized cell
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composed of cells that line the cavities and surfaces of structures throughout the body.
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epithelial tissue
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the system of membranes which envelops the central nervous system. The meninges consist of three layers: the dura mater, the arachnoid mater, and the pia mater.
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meninges
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is the lower part of the brain, adjoining and structurally continuous with the spinal cord.
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brain stem
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is the auditory portion of the inner ear. Its core component is the Organ of Corti, the sensory organ of hearing, which is distributed along the partition separating fluid chambers in the coiled tapered tube of the cochlea.
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cochlea
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small structures on the upper surface of the tongue, soft palate, upper esophagus and epiglottis that provide information about the taste of food being eaten.
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taste bud
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any chemical substance that, when absorbed into the body of a living organism, alters normal bodily function.
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drug
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drugs that temporarily increase alertness and awareness. They usually have increased side-effects with increased effectiveness, and the more powerful variants are therefore often prescription medicines or illegal drugs.
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stimulant
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a chemical agent that diminishes the function or activity of a specific part of the body.
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depressant
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a huge range of definitions related to taking a psychoactive drug or performance enhancing drug for a non-therapeutic or non-medical effect.
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drug abuse
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a state in which the body relies on a substance for normal functioning and develops physical dependence, as in drug addiction.
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addiction
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