William Harvey and Blood Circulation (1628)
Circulation of blood
Blood flow through heart and body.
Arteries
Blood vessels carrying blood away from heart.
Veins
Blood vessels returning blood to heart.
Distribution of blood
Blood's delivery to all body parts.
Flux and reflux
Blood's movement in and out of heart.
Nutritional purposes
Blood's role beyond just supplying nutrients.
Right auricle
Chamber receiving deoxygenated blood from body.
Ceaseless motion
Continuous circulation of blood in the body.
William Harvey
English physician who discovered blood circulation.
De Motu Cordis
Harvey's 1628 work on blood circulation.
Ligatures experiment
Harvey's method using arm ligatures to study blood.
Muscular pump
Heart's function to circulate blood.
Vena cava
Large vein returning blood to heart.
Quantitative approach
Measurement of blood volume in experiments.
Vital spirits
Pre-Harvey concept of life force.
Galenic authority
Prevailing medical beliefs before Harvey's findings.
Pulse
Rhythmic contraction of the heart.
Porosities of flesh
Spaces in body allowing blood flow.
Valves of heart
Structures ensuring unidirectional blood flow.
Cold-blooded animals
Subjects of Harvey's observations for blood study.
Ocular demonstration
Visual evidence supporting blood circulation theory.
