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Galen's understanding of anatomy and medicine was principally influenced by the then-current theory of the four humors: black bile, yellow bile, blood, and phlegm, as first advanced by the author of On the Nature of Man in the Hippocratic corpus. [11] Galen's views dominated and influenced Western medical science for more than
Greek physician Galen was the first to give written description about the pineal gland in the 2nd century CE. [8] He indicated that the structure as an part of the brain was already known to earlier Greek scholars, crediting Herophilus (325–280 BCE) as the first to have described the possible role of the gland. [9]
Through this, Galen found a connection between these three parts of the soul and the three major organs that were recognized at the time: the brain, the heart, and the liver. [19] This idea of connecting vital parts of the soul to vital parts of the body was derived from Aristotle's sense of explaining physical observations, and Galen utilized ...
Balloonist theory was a theory in early neuroscience that attempted to explain muscle movement by asserting that muscles contract by inflating with air or fluid. The Roman and Greek physician Galen believed that muscles contracted due to a fluid flowing into them, and for 1500 years afterward, it was believed that nerves were hollow and that they carried fluid. [1]
[52] [53] Medical students continued to study Galen's writings until well into the 19th century. Galen conducted many nerve ligation experiments that supported the theory, which is still accepted today, that the brain controls all the motions of the muscles by means of the cranial and peripheral nervous systems. [54]
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Galen was a prolific writer from whose surviving works comes what Galen believed to be the definitive guide to a healthy diet, based on the theory of the four humours. [13] Galen understood the humoral theory in a dynamic sense rather than static sense such that yellow bile is hot and dry like fire; black bile is dry and cold like earth; phlegm ...
On The Late Show With Stephen Colbert Wednesday night, Colbert hilariously took issue with science.. According to a new study presented Monday at the Alzheimer's Association's International ...