C02- Ancient World Flashcards
(50 cards)
What is Science
inquiry into nature with 2 attributes 1) it is natural 2) it is rational
Supernatural
beyond scientific understanding
Greeks tried to find natural causes of things by
- Observation
2. Reason
Thales of Miletus
- first natural philosopher
- earth is a disc
- everything is water
- consolidation and expansion (steam is expanded water, earth is consolidated water)
Empedocles
- the originator of the 4-element model of nature
- fire, air, water, earth
- 2 forces - love (attraction) and hate (repulsion)
Empedocles Biology
- think primarily with our blood because the four elements are most evenly mingled in our blood
- Animals have evolved over time from bizarre ancestors.
What was Democritus main discovery
Atomism
Democritus atomism and biology
- the soul consists of fire atoms
- respiration brings in a fresh supply of soul atoms from the air
- perceived object was eye interacting with atoms
3 limitations of the first period of Greek Philosophy
- Not much experimental procedure
- not much chem
- not much physics
Where was Hippocrates from
- From Cos
- but had an Asclepiad father
Hippocrates view on medicine
- rejected religion and supernatural in medicine
- said epilepsy had natural cause
- observing the patient (sight, hearing, touch, taste)
- -> study the patient rather than the disease (age, diet, sleeping habits, dreams)
- -> assist nature to heal patient
what is the snakes and staff on the health symbol
Staff: walking stick of the travelling physician (hippocrates)
Snake: moulting snake is a symbol for rejuvenation; or a guinea work (worm that infects blood vessels) have to take it out with a stick
Hippocratic Physiology
related 4 elements of Empedocles to four humours (fluids) in your body
What are the Hippocrates Humours
- blood
- yellow bile
- black bile
- phlegm
What do Hippocrates humours relate to
- blood –> air
- yellow bile –> fire
- black bile –> earth
- phlegm –> water
What are Galen’s Temperaments
- sanguine
- choleric
- melancholic
- phlegmatic
What did Rudolf Virchow discover
all parts of the body produce seed material; hereditary material from mother and father
Pangenesis
mechanism for heredity
Pneuma
The life giving principle of air
Early Hippocratic’s thought on the brain
thought that it was a radiator that cools the blood and separates water and mucus
Later Hippocratic’s thought on the brain
under the influence of Democritus, believed that the brain is the centre of thought and feeling
Hippocratic’s and their treatments
- diagnosis is not emphasized
- few named diseases
- wouldn’t treat harshly
- had SOME drugs
- used bloodletting
Where was Aristotle born?
Macedonia
What did Aristotle Study
- was going to be a physician
- his father died then he went to learn philosophy
- never became an Asclepiad physician
- then studied biology (marine was his main interest)