What is Jan Purkyně?
{{Infobox scientist |name = Jan Evangelista Purkyně |image =Jan Evangelista Purkyne 2.jpg |caption =Jan Evangelista Purkyne in 1856 |birth_date = {{birth date|1787|12|17|mf=y}} |birth_place = [[Libochovice]], [[Kingdom of Bohemia|Bohemia]], [[Austrian Monarchy]] |death_date = {{death date and age|1869|7|28|1787|12|17|mf=y}} |death_place = [[Prague]], [[Austria-Hungary]] |residence = |citizenship = [[Austrian Empire|Austrian]] |nationality = [[Czechs|Czech]] |field = [[Anatomy]], [[physiology]] |work_institutions = [[University of Breslau]] |alma_mater = [[Charles University in Prague|University of Prague]] |doctoral_advisor = |doctoral_students = |known_for = [[Purkinje cell]]s |author_abbrev_bot =|author_abbrev_zoo = |influences = |influenced = |prizes = |religion = |footnotes = |signature = }} '''Jan Evangelista Purkyně''' <ref>also written '''Johannes Evangelist Purkinje'''</ref> (17 December 1787 – 28 July 1869) was a [[Czechs|Czech]] [[Anatomy|anatomist]] and [[Physiology|physiologist]]. He was one of the best known scientists of his time. In 1839, he coined the term '[[protoplasm]]' for the fluid substance of a [[cell]]. == Biography == Purkyně was born in [[Bohemia]], which was then in the [[Austro-Hungarian Empire]], now it is in the [[Czech Republic]]. In 1818, he graduated with a degree in medicine, and was appointed Professor of Physiology. He published two volumes <ref>''Observations and Experiments Investigating the Physiology of Senses'' and ''New Subjective Reports about Vision''</ref> which contributed to [[experimental]] [[psychology]]. He created the world's first Department of Physiology at the [[University of Breslau]] in [[Prussia]] (now [[Wrocław]], [[Poland]]), and the world's first official physiology laboratory. == Discoveries == He is best known for his discoveries of [[Purkinje cell]]s and [[Purkinje fibre]]s. Purkinje cells are large [[neuron]]s wit