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- William_George_MacCallum abstract "William George MacCallum (18 April 1874 – 3 February 1944) was a Canadian-American physician and pathologist. He was of Scottish descent and was born in Dunnville village in Canada, where his father was a physician. He was educated at the University of Toronto. He graduated with BA in 1894. Initially inclined towards Greeks as academic career, his father influenced him to enter medicine. He joined the second year of the first batch of medicine course in the Johns Hopkins Medical School, and became one of the first graduates of the institute in 1897. He was appointed assistant resident of pathology of the medical school in 1897, resident pathologist in 1901, soon after Associate Professor, and full Professor in 1908. Between 1909 and 1917 he held a twin position of Professor of Pathology at Columbia University and the NewYork–Presbyterian Hospital. From 1917 to 1943 he held the Chair of Pathogy at Johns Hopkins University.MacCallum discovered the existence of two forms (now known to be male gamete or microgametocyte and female gamete or macrogametocyte) of malarial parasite in birds in 1897. In 1899 he and T.W. Hastings discovered a new species of pathogenic Gram-positive bacteria called Micrococcus zymogenes. He was the first to describe the structural and functional relationship between lymphatic system and connective tissue. In 1905 he discovered that thyroid and parathyroid glands had completely different functions. He found that muscle seizure (tetany) was due to abrogation of parathyroid glands, and that injection of calcium salt could restore the condition. This directly laid the understanding of the role of calcium in muscle contraction. In 1909 he discovered that a disease gastric tetany was not due to parathyroid functions, but because of blockage of the stomach-intestine connection called pylorus. He wrote a definitve textbook A Textbook of Pathology which ran several editions and is still in print.A histochemical staining technique for Gram-negative bacteria called McCullum-Goodpasture stain is jointly named after him and the co-discoverer Ernest William Goodpasture. A condition in rheumatic heart disease MacCallum plaque is named after him.".
- William_George_MacCallum almaMater Johns_Hopkins_School_of_Medicine.
- William_George_MacCallum birthDate "1874-04-18".
- William_George_MacCallum birthPlace Canada.
- William_George_MacCallum birthPlace Dunnville,_Ontario.
- William_George_MacCallum birthPlace Ontario.
- William_George_MacCallum birthYear "1874".
- William_George_MacCallum citizenship Canada.
- William_George_MacCallum deathDate "1944-02-03".
- William_George_MacCallum deathPlace Florida.
- William_George_MacCallum deathYear "1944".
- William_George_MacCallum field Medicine.
- William_George_MacCallum field Pathology.
- William_George_MacCallum knownFor Avian_malaria.
- William_George_MacCallum knownFor Lymphatic_system.
- William_George_MacCallum knownFor Parathyroid_gland.
- William_George_MacCallum knownFor Thyroid.
- William_George_MacCallum residence Baltimore.
- William_George_MacCallum wikiPageExternalLink directors.cfm.
- William_George_MacCallum wikiPageExternalLink maccallum.html.
- William_George_MacCallum wikiPageExternalLink william-george-maccallum.
- William_George_MacCallum wikiPageExternalLink william-george-maccallum.
- William_George_MacCallum wikiPageExternalLink 2620.html.
- William_George_MacCallum wikiPageID "42753296".
- William_George_MacCallum wikiPageRevisionID "643940343".
- William_George_MacCallum almaMater "Johns Hopkins Medical School".
- William_George_MacCallum authorAbbrevZoo "MacCallum".
- William_George_MacCallum birthPlace Canada.
- William_George_MacCallum birthPlace Dunnville,_Ontario.
- William_George_MacCallum birthPlace Ontario.
- William_George_MacCallum citizenship "Canada".
- William_George_MacCallum dateOfBirth "1874-04-18".
- William_George_MacCallum dateOfDeath "1944-02-03".
- William_George_MacCallum deathDate "1944-02-03".
- William_George_MacCallum deathPlace "Florida, US".
- William_George_MacCallum fields Medicine.
- William_George_MacCallum fields Pathology.
- William_George_MacCallum knownFor Avian_malaria.
- William_George_MacCallum knownFor Lymphatic_system.
- William_George_MacCallum knownFor "McCullum-Goodpasture stain".
- William_George_MacCallum knownFor "Thyroid and parathyroid functions".
- William_George_MacCallum name "MacCallum, William George".
- William_George_MacCallum name "William George MacCallum".
- William_George_MacCallum nationality "Canadian".
- William_George_MacCallum placeOfBirth "Dunnville, Canada".
- William_George_MacCallum placeOfDeath "Florida, US".
- William_George_MacCallum residence Baltimore.
- William_George_MacCallum shortDescription "Canadian physician and pathologist".
- William_George_MacCallum workplaces Columbia_University.
- William_George_MacCallum workplaces Johns_Hopkins_School_of_Medicine.
- William_George_MacCallum workplaces NewYork%E2%80%93Presbyterian_Hospital.
- William_George_MacCallum description "Canadian physician and pathologist".
- William_George_MacCallum description "Canadian physician and pathologist".
- William_George_MacCallum subject Category:1874_births.
- William_George_MacCallum subject Category:1944_deaths.
- William_George_MacCallum subject Category:American_Medical_Association_people.
- William_George_MacCallum subject Category:Canadian_pathologists.
- William_George_MacCallum subject Category:Canadian_physicians.
- William_George_MacCallum subject Category:Columbia_University_faculty.
- William_George_MacCallum subject Category:Johns_Hopkins_University_alumni.
- William_George_MacCallum subject Category:Johns_Hopkins_University_faculty.
- William_George_MacCallum subject Category:Members_of_the_United_States_National_Academy_of_Sciences.
- William_George_MacCallum subject Category:People_of_Scottish_descent.
- William_George_MacCallum subject Category:University_of_Toronto_alumni.
- William_George_MacCallum type Agent.
- William_George_MacCallum type Person.
- William_George_MacCallum type Scientist.
- William_George_MacCallum type Person.
- William_George_MacCallum type Agent.
- William_George_MacCallum type NaturalPerson.
- William_George_MacCallum type Thing.
- William_George_MacCallum type Q215627.
- William_George_MacCallum type Q5.
- William_George_MacCallum type Q901.
- William_George_MacCallum type Person.
- William_George_MacCallum comment "William George MacCallum (18 April 1874 – 3 February 1944) was a Canadian-American physician and pathologist. He was of Scottish descent and was born in Dunnville village in Canada, where his father was a physician. He was educated at the University of Toronto. He graduated with BA in 1894. Initially inclined towards Greeks as academic career, his father influenced him to enter medicine.".
- William_George_MacCallum label "William George MacCallum".
- William_George_MacCallum label "William George MacCallum".
- William_George_MacCallum sameAs William_George_MacCallum.
- William_George_MacCallum sameAs m.010ltn7_.
- William_George_MacCallum sameAs Q16983462.
- William_George_MacCallum sameAs Q16983462.
- William_George_MacCallum wasDerivedFrom William_George_MacCallum?oldid=643940343.
- William_George_MacCallum givenName "William George".
- William_George_MacCallum isPrimaryTopicOf William_George_MacCallum.
- William_George_MacCallum name "MacCallum, William George".
- William_George_MacCallum name "William George MacCallum".
- William_George_MacCallum surname "MacCallum".