tubercle
tubercle definitions
noun
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A small rounded nodule forming the characteristic lesion of tuberculosis.
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A round nodule, small eminence, or warty outgrowth, especially those found on bones for the attachment of a muscle or ligament or small elevations on the surface of a tooth.
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A small rounded wartlike protuberance of the roots of some leguminous plants; the lip of certain orchids, cacti.