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lobe |
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lobe 1. any of the subdivisions of a bodily organ or part, delineated by shape or connective tissue 2. short for ear lobe 3. any of the loops that form part of the graphic representation in cylindrical coordinates of the radiation pattern of a transmitting aerial 4. any of the parts, not entirely separate from each other, into which a flattened plant part, such as a leaf, is divided lobe [lōb] (biology) A rounded projection on an organ or body part. (design engineering) A projection on a cam wheel or a noncircular gear wheel. (electromagnetism) A part of the radiation pattern of a directional antenna representing an area of stronger radio-signal transmission. Also known as radiation lobe. (engineering acoustics) A portion of the directivity pattern of a transducer representing an area of increased emission or response. (hydrology) A curved projection on the margin of a continental ice sheet. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| 25) More recently, Norena et al (26) and Weisz et al (27) compared auditory evoked potentials in patients with tinnitus and in healthy controls, and they suggested that tinnitus might occur as the result of a dysfunction in the top-down inhibitory processes that originate in the prefrontal lobe. The latest research from the growing field of neuropsychology, for example, tells us that most of our higher abilities--our capacity to empathize with others, to solve complex problems, to be upbeat and positive, and to concentrate and persevere--are located in the prefrontal lobes of the brain. 13) In general, tumors that involve the olfactory bulb, olfactory tract, or prefrontal lobe can cause olfactory deficits, while temporal lobe tumors are associated with olfactory hallucination. |
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