HSC-230 Lecture Notes - Lecture 1: Ct Scan, Dextrocardia, Cell Theory
Document Summary
Cutting and separation of organs to study their relationships. Study of more than one species to analyze evolutionary trends. Basis for the development of new drugs and medical procedures. 3000 years ago used herbal drugs, salts and physical therapy. Urged physicians to seek causes of disease. Complex structures are built from simpler parts. Saw science as a method of discovery. Did animal dissections since use of cadavers banned. Wrote book advising followers to trust their own observation. Medicine was taught as dogma with no new ideas. Wrote the canon of medicine , used in medical schools until 16th century. Realized blood flow out from heart and back in. Invented a simple microscope (200x) to look at fabrics. Concluded that all organisms were composed of cells. Produces reliable, objective and testable information about nature. Test your hypothesis (answer) to a specific question. Identical treatment except for the variable being tested. Critical evaluation by other experts in the field.
