Word: bloodstream
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...Roadbed. The theory underlying the operation depends on a set of strange biochemical facts. Whether or not a man eats foods that contain cholesterol, his body manufactures the stuff every day. Much of it passes into the bloodstream through the filtering system in the wall of the lower third of the small bowel. Dr. Buchwald's idea was to cut this part of the small gut out of the digestive circuit, leaving much of the cholesterol no place to go except through the large bowel, to be excreted...
...cholesterol level in blood. For that reason, they have disappeared from the tables of dieters, and U.S. egg consumption fell 18% last year. But dieters have little to fear from the new egg because its saturated fats are offset by the polyunsaturated fats and thus float through the bloodstream without causing an increase in cholesterol...
...detective work, the doctors concluded that the mother had picked up the infection from her husband, who had a herpes simplex fever blister on his lip when he kissed her ten days before the baby was born. The virus must have reached the baby through the mother's bloodstream and the placenta...
...their skins sets off biochemical changes in their systems-for one thing, it boosts their supply of vitamin D. Summer is also a time of growth spurts, when the development of new bone calls for a fast turnover of calcium-and lead rides alongside the calcium into the bloodstream, to attack the nervous system and the brain itself...
...hitchhiker in both snails* and man. Hatched in fresh water, the schistosomal larva must invade a snail within about 24 hours or die. After weeks of development and change in the snail, the larvae move on and burrow into a human body, where they mature and mate in the bloodstream. Then they settle down to years devoted to depositing eggs in vital organs. The adult parasites live in an almost constant state of copulation and the female can produce up to 3,000 eggs a day for as long as 30 years. Once the eggs enter the bladder and intestines...