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Wilhelm Heinrich Erb (November 30, 1840 - 1921) was a German neurologist and educator who was born in Winnweiler, Palatinate. Events 1700 - Battle of Narva — A Swedish army of 8500 men under Charles XII defeats Year 1840 ( MDCCCXL) was a Leap year starting on Wednesday (link will display the full calendar of the Gregorian calendar (or a Leap year Year 1921 ( MCMXXI) was a Common year starting on Saturday (link will display full 1921 calendar of the Gregorian calendar Winnweiler is a municipality in the Donnersbergkreis, in Rhineland-Palatinate, Germany. The Palatinate (Pfalz Pfälzer dialect Palz) historically also Rhenish Palatinate (palatinatum Renensis Rheinpfalz is a region in south-western Germany In 1864 he received his medical degree from the University of Heidelberg, and for several years was an assistant to pathologist Nikolaus Friedreich. The Ruprecht Karl University of Heidelberg ( University of Heidelberg, Ruperto Carola, Heidelberg University, or simply Heidelberg) is a Nikolaus Friedreich (1825-1882 was a German pathologist and neurologist, and a third generation physician in the Friedreich family Erb also worked for a period of time under Ludwig von Buhl (1816-1880) in Munich. Ludwig von Buhl ( January 4, 1816 - 1880 was a German Pathologist who was a native of Munich. Munich (München; Minga is the capital city of Bavaria, Germany. In 1880 Erb was appointed to a chair in special pathology at the University of Leipzig and later became head of the clinic. Pathology (from Greek grc πάθος pathos, "fate harm" and grc -λογία -logia) is the study and The University of Leipzig (Universität Leipzig located in Leipzig in the Free State of Saxony, Germany, is one of the oldest universities Afterwards, he returned to Heidelberg for a similar position, succeeding his former teacher Nikolaus Friedreich. Heidelberg is a city in Baden-Württemberg, Germany. As of 2006 over 140000 people live within the city's area He worked in Heidelberg for the remainder of his career.

Erb began his medical career in the fields of toxicology and histology, but later his interest switched to neurology, where he was to become one of the 19th century's leading neurologists. Toxicology (from the Greek words toxicos and logos) is the study of the adverse effects of Chemicals on living organisms Histology (from the Greek = 'tissue' is the study of the microscopic anatomy of cells and tissues of Plants and He extensively used electrodiagnostic testing and demonstrated motor nerve irritability in tetanus. Electromyography (EMG is a technique for evaluating and recording the activation signal of muscles Tetanus is a medical condition that is characterized by a prolonged contraction of Skeletal muscle fibres Erb is also credited with popularizing the reflex hammer for use in medical examinations. A reflex hammer is a medical instrument used by physicians to test deep Tendon Reflexes Testing for reflexes is an important part of the neurological physical

He made early observations relating to syphilis and tabes dorsalis (nerve fiber and nerve cell degeneration). Syphilis is a Sexually transmitted disease caused by the spirochetal Bacterium Treponema pallidum pallidum. Tabes dorsalis is a slow degeneration of the Nerve cells and nerve fibers that carry sensory information to the Brain. Neurons (ˈnjuːɹɒn also known as neurones and nerve cells) are responsive cells in the Nervous system that process and transmit information In his research of tabes dorsalis he tried to find the link between this condition and syphilis. He also contributed research material concerning poliomyelitis, claudication intermittens, and progressive muscular atrophy. Poliomyelitis, often called polio or infantile paralysis, is an acute viral Infectious disease spread from person to person primarily via Intermittent claudication (Latin claudicatio intermittens is a clinical diagnosis given for muscle pain (ache cramp numbness or sense of fatigue classically calf muscle which occurs Atrophy is the partial or complete Wasting away of a part of the Body.

He wrote more than 250 medical essays including Handbuch über die Elektrotherapie and an important study on spinal paralysis. Quadriplegia, also known as tetraplegia, is a Symptom in which a human experiences Paralysis affecting all four limbs although not necessarily total paralysis In 1878, Erb described myasthenia gravis, which is sometimes referred to as the Erb-Goldflam disease (named along with neurologist Samuel Goldflam). Myasthenia gravis (literally "serious muscle-weakness" from Greek μύς "muscle" "weakness" and Latin gravis Samuel Wulfowicz Goldflam (Warsaw February 22 1852 – August 26 1932 was a Polish neurologist best known for his brilliant 1893 analysis of Myasthenia gravis ( Erb-Goldflam Myasthenia gravis is a neuromuscular disorder that leads to fatigue and muscle weakness. Neurologists Ernst Julius Remak (1849-1911) and Max Nonne (1861-1959) were two of his students. Ernst Julius Remak ( May 26, 1849, Berlin - May 24, 1911, Wiesbaden) was a German Neurologist who Max Nonne (born January 13 1861, Hamburg - died 1959 was a German Neurologist.

Several eponyms are named after him including:

References

Carl Friedrich Otto Westphal ( March 23, 1833 – January 27, 1890) was a German neurologist and psychiatrist from Berlin
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