Online Microbiology and Biology Study Notes
Theories of Disease A disorder of structure or function in a human, animal, or plant, especially one that produces specific signs and symptoms or that affects a specific location and is not simply a direct result of physical injury is called a disease. It is a particular abnormal, pathological condition that affects part or all of an organism. It is often …
The Germ Theory of Disease Before the Germ theory of disease, the causes suggested for the occurrence of disease were the effect of supernatural phenomena like planetary alignments, effect of bad bodily humors and the faulty environment. For example, in ancient Greece, it was thought that disease was spread not via direct contact with other infected individuals, but rather via …
Louis Pasteur and his contributions Louis Pasteur was a French chemist and microbiologist considered the most important founders of Microbiology. Microbiology developed as a scientific discipline from the era of Louis Pasteur (1822- 1895) himself. He first coined the term “microbiology” for the study of organisms of microscopic size. For his innumerable contributions in the field, he is also known as the …