In 1876 Ross (1857 — 1932) made up his mind that he would master his medical course and qualify for an interesting job in India. He learned that millions of India's people were dying from malaria. In 1897 Ross proved that malaria was transmitted by mosquito bites. He discovered that when a mosquito bit a person it did not only suck his blood, but also injected the fluid containing the malaria parasite. In later years Ross was known as "Malaria Ross", the man who showed how malaria was carried and how it could be prevented.

Banting (1891 — 1941) began to think that possibly the Islets of Langerhans had in them something which was valuable to the human body. Doctors had long teen studying diabetes. They knew that the pancreas had some influence on the way which sugar was used in the human body. But none of them thought that the islets of Langerhans were the really important part of the pancreas. Banting went to the University of Toronto. Dr. Maclead told him about the work that had been done on this problem of pancreas and said that during the summer part of the laboratory would be unused and Banting would be allowed to have ten dogs for his work. He would also have a student to help him. In 1922 Banting and Best isolated insulin.

Раздел 4 Модальные глаголы (Modal Verbs)

Упражнееие 13

А. Найдите ядро каждого предложения, где состав­ное сказуемое включает модальный глагол и ин­финитив в активной или пассивной форме без ча­стицы to.

Б. Переведите предложения.

Food must undergo certain changes before it can be of any service to the cell.

The cell may be best pictured as a self-sufficient chemical factory.

Spleen is soft and cannot be felt on abdominal examination when normal in size, consistency and position.

Organ such as the heart must be transplanted as soon after death of donor as possible; skin, corneas, bone and some blood fractions, however, can be stored.

People with back trouble should not lift heavy weights.

The body could not cope with an excess of blood sugar.

The eye muscles, or the nerves which supply them, may be affected by disorders which arise later in life.

Any person who is taking corticosteroid drugs or who has previously had a severe reaction to the same vaccine should not be vaccinated.

Healthy bones cannot be built without calcium salts, and the body cannot utilize these salts in the absence of vitamin D.

Blood donors must meet certain requirements of age, health and weight.

All physicians find that there can be no end to their education — they must keep up with new developments.

The movement of food in the large intestine can be followed by giving a patient a meal of some opaque substance, such as barium sulphate and taking a series of X-ray photographs afterwards.

13. What characteristics must good surgeon have? Surgeons need good eye-hand coordination, manual dexterity, and the physical stamina.

A wide variety of other systems may be damaged by the rheumatoid process.

Backache can result from bad posture, a soft bed or muscle strain, but it can also be caused by rheumatism, typhoid fever and osteoarthritis.

The disinfectant must be diluted in four parts of water before it can be used on the skin.

The ointment should only be used externally.

Anaemia, from whatever cause, if of sufficient severity and duration may cause heart failure.

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Тексты для тренировочного перевода (к разделу 4)

The bony structures must be regarded as active store-houses of mineral matter. When the need arises the body can draw upon bones for constituents like lime and phosphates. Under certain conditions the bones indeed may give up so much of their mineral matter that they become soft and can no longer function as an effective framework.

Each organ system of the body may be attacked by a number of diseases. These diseases have certain things in common no matter which organ is affected. Other symptoms and signs may be particular to the individual organ. The central nervous system may be attacked by the same diseases as other organs. Because the nervous system controls the working of the body in so many ways, diseases may affect not only a part of the system but also another part of the body.

By itself, a virus is a lifeless particle that cannot reproduce. But inside a living cell, a virus becomes an active organism that can multiply hundreds of times. Most viruses can be seen only with electron microscope. Virologists demonstrated in the early 1900's that viruses could cause cancer in animals.

Pain in the abdomen may be caused by a variety of conditions. Within the abdomen there are vital organs of the body which can be the source of pain when something goes wrong. In addition, pain may be "referred" to the abdomen from organs elsewhere in the body, for example, pneumonia may sometimes cause abdominal pain, as may a heart attack. In fact, locating the cause of pain in the abdomen may be a difficult job for the physician.

The muscular wall, or septum, which runs down the centre of the heart divides it into two sides: the right heart and the left heart. There is no connection between the two sides. Each side must perform different work. Thus, the heart may be called a dual pump. It must receive the venous blood and send it into the lungs for fresh oxygen. This is done by the right side of the heart. The left side must receive blood from the lungs and pump it out into the body.

The patient who is taking nitroglycerin should keep the medication at hand at all times. It should be kept in a tightly closed, dark, glass container, free from heat and moisture. The drug is not addicting and there is no limit to the number that may be taken in a 24-hour period; however, no more than three tablets should be taken at 5 minute intervals during an attack. If no relief is obtained 15 minutes after the third tablet is taken, the physician should be notified immediately.