Understanding Antibiotics, Tumors, Cancer, Diabetes, and Drugs
Classified in Medicine & Health
Written on in English with a size of 3.44 KB
Antibiotic Discovery
Fleming observed that a bacterial culture he had abandoned had deteriorated because a colony of fungi had grown in the culture. The fungus produced the death of the bacteria it came into contact with. Work continued until Fleming identified and extracted the substance from the fungus that was lethal to bacteria: penicillin.
Tumors
Normal tissue cells divide to produce other cells to replace old and damaged ones. These cells must die to make room for new ones. Sometimes, they produce more cells than necessary, or old cells do not die when they should. In such cases, a tumor forms, which is defined as a disorganized mass of tissue.
- Benign tumors remain in the place where they have been formed because their cells do not move.
- Malignant