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Marshall Hall FRS (18 February 1790 – 11 August 1857) was an English physician, physiologist and early neurologist. His name is attached to the theory of reflex arc mediated by the spinal cord , to a method of resuscitation of drowned people, and to the elucidation of function of capillary vessels.
The term "reflex" was introduced in the 19th century by the English physiologist Marshall Hall, who is credited with formulating the concept of reflex action and explaining it scientifically. He introduced the term to describe involuntary movements triggered by external stimuli, which are mediated by the spinal cord and the nervous system ...
The proof that movement still occurs after decapitation disproves Descartes' animal spirits in muscles. Likewise, the relationship between the spinal cord and response action in the limbs disproves Haller's theory of movement. The response movement will later be described as "reflex action" by Marshall Hall. [2]
Hering–Breuer reflex — is a reflex triggered to prevent over-inflation of the lung; Hoffmann's reflex — also known as the finger flexor reflex; middle finger and thumb response. Test can indicate both neurological damage and nerve regeneration; often combined with the Babinski reflex test. Jaw jerk reflex
They were the discovery of the 1) cerebrospinal axis, 2) the growing impact of the reflex and its relation to mental functioning in studies by Marshall Hall (1790-1875), 3) the localization of brain functions such as the center of speech production (Broca's Area), 4) the discovery of the nerve cell by Camillo Golgi (1843-1926) and lastly, the 5 ...
Thurgood Marshall was the first Black American appointed to the Supreme Court Though the U.S. Supreme Court was officially established in 1789, it would be nearly 180 years before a Black American ...
He was elected a Fellow of the Royal Society in January 1846 [1] for his work on the spinal cord, which supported Marshall Hall's work on the reflex arc. [2] His application citation read: The Discoverer of the structure of the Fallopian Tube in Mammalia. The Author of Observations on the Structure & Functions of the Spinal Cord, &c ...
The Sun Belt has fined Marshall for the school’s decision to opt out of the Independence Bowl. Marshall said it couldn’t play in the Dec. 28 game against Army due to a lack of players.