Franz Riegel (9 February 1843 – 26 August 1904) was a German internist and

gastroenterologist Gastroenterology (from the Greek gastḗr- “belly”, -énteron “intestine”, and -logía "study of") is the branch of medicine focused on the digestive system and its disorders. The digestive system consists of the gastrointestinal tract, ...

who was a native of Brückenau. He studied medicine at the

University of Würzburg The Julius Maximilian University of Würzburg (also referred to as the University of Würzburg, in German ''Julius-Maximilians-Universität Würzburg'') is a public research university in Würzburg, Germany. The University of Würzburg is one of ...

, and following graduation furthered his studies in

Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...

with Johann von Oppolzer (1808–1871). Afterwards he returned to

Würzburg Würzburg (; Main-Franconian: ) is a city in the region of Franconia in the north of the German state of Bavaria. Würzburg is the administrative seat of the ''Regierungsbezirk'' Lower Franconia. It spans the banks of the Main River. Würzburg is ...

as an assistant to

Heinrich von Bamberger Heinrich von Bamberger (27 December 1822, Zwornarka, Kingdom of Bohemia – 9 November 1888, Vienna) was an Austrian pathologist. He was father to internist Eugen von Bamberger (1858-1921). Biography In 1847 he earned his doctorate from the Un ...

(1822–1888), and later Carl Gerhardt (1833–1902). In 1871 he was a lecturer of

experimental pathology Experimental pathology, also known as investigative pathology, is the scientific study of disease processes through the microscopic or molecular examination of organs, tissues, cells, or body fluids from diseased organisms. It is closely related ...

at the University of Würzburg, and in 1874 became director of the

Cologne Cologne ( ; german: Köln ; ksh, Kölle ) is the largest city of the German western States of Germany, state of North Rhine-Westphalia (NRW) and the List of cities in Germany by population, fourth-most populous city of Germany with 1.1 m ...

city hospital. In 1879 he was appointed to the chair of medicine at the

University of Giessen University of Giessen, official name Justus Liebig University Giessen (german: Justus-Liebig-Universität Gießen), is a large public research university in Giessen, Hesse, Germany. It is named after its most famous faculty member, Justus von L ...

, where he would remain until his death in 1904. Riegel's research involved studies of the

respiratory system The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies grea ...

vasomotor Vasomotor refers to actions upon a blood vessel which alter its diameter. More specifically, it can refer to vasodilator action and vasoconstrictor action. Control Sympathetic innervation Sympathetic nerve fibers travel around the tunica media of ...

influences, the effects of substances such as

caffeine Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class. It is mainly used recreationally as a cognitive enhancer, increasing alertness and attentional performance. Caffeine acts by blocking binding of adenosine t ...

atropine Atropine is a tropane alkaloid and anticholinergic medication used to treat certain types of nerve agent and pesticide poisonings as well as some types of slow heart rate, and to decrease saliva production during surgery. It is typically given i ...

and jaborandi, conditions of the

heart The heart is a muscular organ in most animals. This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide t ...

and

blood pressure Blood pressure (BP) is the pressure of circulating blood against the walls of blood vessels. Most of this pressure results from the heart pumping blood through the circulatory system. When used without qualification, the term "blood pressure" r ...

nephritis Nephritis is inflammation of the kidneys and may involve the glomeruli, tubules, or interstitial tissue surrounding the glomeruli and tubules. It is one of several different types of nephropathy. Types * Glomerulonephritis is inflammation of th ...

, et al. He is remembered for his extensive research of gastric disorders; his last written work discussing distinctions between

hyperacidity Gastroesophageal reflux disease (GERD) or gastro-oesophageal reflux disease (GORD) is one of the upper gastrointestinal chronic diseases where stomach content persistently and regularly flows up into the esophagus, resulting in symptoms and/ ...

and

hypersecretion 440px Secretion is the movement of material from one point to another, such as a secreted chemical substance from a cell or gland. In contrast, excretion is the removal of certain substances or waste products from a cell or organism. The classical ...

. His best known written work was ''Die Erkrankungen des Magens'' (1896),
"Diseases of the stomach"
, a book that was later translated into English.

Associated eponym

* "Riegel's pulse": A pulse that diminishes in volume during

expiration Expiration or expiration date may refer to: Expiration Expiration may refer to: *Death *Exhalation of breath, breathing out *Expiration (options), the legal termination of an option to take an action *Shelf life, or the time after which a product ...

References

The Medical News
(biography)
Mondofacto Dictionary
(definition of eponym) {{DEFAULTSORT:Riegel, Franz 1843 births 1904 deaths People from Bad Kissingen (district) German gastroenterologists Academic staff of the University of Giessen University of Würzburg alumni Academic staff of the University of Würzburg