A small knotlike protuberance. 2. Medicine A small, abnormal but usually benign mass of tissue, as on the thyroid gland, in the lung, or under the skin. 3. Botany A small knoblike outgrowth, especially one on the roots of a leguminous plant that contains bacteria that fix nitrogen. 4. Mineralogy A small rounded lump of a mineral or mixture of minerals, usually harder than the surrounding rock or sediment.
Nonfat Greek yogurt has no cholesterol and is rich in vitamins, minerals, protein and active bacterial cultures that may help treat or prevent certain medical problems. A 1-cup serving of Greek yogurt contains a high concentration of the B vitamins riboflavin, vitamin B-12, pantothenic acid, thiamin and vitamin B-6. Together, these vitamins are vital for energy metabolism and the health of the neurological, immune and cardiovascular systems.
Plain, nonfat yogurt is the top source of calcium. Eight ounces provide 452 mg of calcium and 127 calories. Low-fat plain yogurt (415 mg of calcium and 143 calories) and fruit yogurt (345 mg of calcium and 232 calories) are not far behind.in. Calcium is the most abundant mineral in the human body, according to the National Institutes of Health (NIH), and the recommended intake is 1,000 mg a day for adults.