
In the course of the nineteenth century medical specilisation emerged. Some physicians no longer concentrated on the whole human body but only on parts of it.
Of necessity the surgeon had previously had to restrict himself to aputations, trepanning and the removal of bladder stones. More radical operations became possible around 1850 after the introduction of anaesthetic. At the same time it was realised what damage could be caused by invisible micro-organisms, Thank tob etter hygiene patients could look foreward to treatment with some confidence.
More than ever before the human body became the object of scientific research. Apparatus appeared for measuring the functioning of organs. Instruments like the body thermometer and the stethoscope became insispensable parts of diagnosis.


