By Rudy van der Elst, Dennis King
Книга представляет собой краткой информационный определитель обычных морских рыб региона. Для 268 видов рыб приводятся сведения по внешнему облику, наиболее заметным особенностям, питанию и местам размножения, дополненные полноцветными фотографиями и картами распространения.
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Extra info for A Photographic Guide to Sea Fishes of Southern Africa
The transplanted liver never functions satisfactorily, and within hours, the patient’s name is placed back on the waiting list for a second transplant. No new liver becomes available, and he dies the following day. The four brief clinical histories outlined above are typical of many patients on organ transplant waiting lists throughout the Western world. Kidney patients wait seemingly forever, lung patients cling to life for months or years, some not surviving long enough to obtain the ‘‘gift of life,’’ and heart and liver patients may die rapidly because of the inadequacy of donor supply.
The mythological chimera, whose name has come to describe a human patient or animal in which native and donor cells survive together. ) of a thermolabile adhesive). 2), lamassu, griffon, hippocamp, and cockatrice, as well as creatures such as satyrs, centaurs, and mermaids, were clearly a combination of structures derived from several different species—in other words, they provided highly successful examples of xenotransplantation. Indeed, the chimera’s name has been utilized in medical and scientiﬁc circles to describe an animal whose body consists of its own cells and cells from a donor.
3). Approximately 11 patients die in the United States every day while awaiting an organ—more than 4,000 per year, or 5% of those waiting for an organ. This ﬁgure has more than doubled in the past 10 years. For patients awaiting a heart and lungs, the percentage who die rises to above 15%. For those with a rapidly deteriorating heart or liver, of course, the mortality rate is much higher. Complicating the situation is the fact that some lung transplant surgeons believe that once a patient’s disease has advanced so far that he or she can be kept alive only by a mechanical ventilator that pumps oxygen in and out of his or her lungs through a tube passed through the nose or mouth, the risks involved in lung transplantation have become too high to be acceptable.