72,234 articles
Frank–Starling law
Frank–Starling law (Starling's law of the heart): intrinsic cardiac mechanism whereby greater ventricular filling (preload) stretches myocardial fibers and increases stroke volume; named for Otto Frank (1895 frog heart) and Ernest Starling (1915 law of the heart).
Frankia
Frankia: nitrogen-fixing filamentous actinobacteria (Frankiaceae, Frankiales) forming root nodule symbioses with over 200 actinorhizal angiosperm species in 25 genera and eight families; vesicles with hopanoid envelopes protect nitrogenase.
Frankincense
Frankincense, also called olibanum, is the aromatic gum resin tapped from Boswellia trees in Arabia, Africa, and India, burned as incense since antiquity and traded across the ancient Mediterranean world.
Franklin D. Murphy
Franklin David Murphy (1916–1994) was an American physician and university chancellor who led the University of Kansas and UCLA before chairing the Times Mirror Company, publisher of the Los Angeles Times.
Franklin H. Epstein
Franklin H. Epstein, also known as F H Epstein, was an American nephrologist at Harvard and Beth Israel Hospital in Boston, called one of the fathers of nephrology.
Franklin P. Mall
Franklin P. Mall (1862–1917) was an American anatomist and embryologist who founded human embryology in the United States and was Johns Hopkins' first professor of anatomy.
Franklin Stahl
Franklin Stahl (1929–2025) was an American molecular geneticist at the University of Oregon, known for the 1958 Meselson–Stahl experiment showing DNA replicates semiconservatively, and for decades of work on genetic recombination.
Frankliniella occidentalis
Frankliniella occidentalis, western flower thrips (Thysanoptera: Thripidae), a polyphagous greenhouse and field pest native to western North America that vectors tomato spotted wilt virus and is an EPPO A2 quarantine pest.
Frans Van de Werf
Frans Van de Werf is a Belgian cardiologist, emeritus professor at the University of Leuven, who pioneered thrombolytic therapy for heart attacks and led major international trials.
Frans Β. Μ. de Waal
Frans B. M. de Waal (1948–2024) was a Dutch-born primatologist at Emory University, known for Chimpanzee Politics and for showing that reconciliation, consolation, and fairness reach deep into primate evolution.
František Karel Studnička
František Karel Studnička (1870–1955) was a Czech physician, anatomist, and histologist who developed the exoplasm theory and became a founding professor of Masaryk University's medical faculty in Brno.
Franz Eilhard Schulze
Franz Eilhard Schulze (1840–1921) was a German zoologist who specialized in glass sponges, described Euplectella from Challenger material, and discovered Trichoplax adhaerens, the simplest known multicellular animal.
Franz H. Messerli
Franz H. Messerli, born 1942, is a Swiss-born cardiologist and hypertension researcher who led hypertension programs in New Orleans and New York and argued against beta-blockers as first-line therapy.
Franz Hofmann
Franz Hofmann (born 1942) is a German pharmacologist known for work on cyclic nucleotide-dependent protein kinases and voltage-gated calcium channels, and professor at TU Munich from 1990 to 2008.
Franz J. Ingelfinger
Franz J. Ingelfinger (1910–1980) was a German-born American gastroenterologist at Boston University who edited the New England Journal of Medicine and created the Ingelfinger rule in 1969.
Franz J. Weissing
Franz J. Weissing is a Dutch theoretical biologist and professor at the University of Groningen who uses mathematical models to study animal personalities, evolutionary game theory, and biodiversity.
Franz Josef Kallmann
Franz Josef Kallmann (1897–1965) was a German-American psychiatrist who fled Germany in 1936, led psychiatric genetics research in New York, proposed a recessive-gene model of schizophrenia, and described Kallmann syndrome.
Franz Klein (Austrian molecular biologist)
Franz Klein is an Austrian molecular biologist and retired professor at the University of Vienna whose laboratory discovered the meiotic cohesin subunit Rec8 and studies meiotic recombination in budding yeast.
Franz König
Franz König (1832–1910) was a German surgeon who held chairs of surgery at Rostock, Göttingen, and the Charité in Berlin, edited the Centralblatt für Chirurgie for thirty years, and named osteochondritis dissecans.
Franz Mesmer
Franz Anton Mesmer (1734–1815), Viennese physician and founder of 'animal magnetism' (mesmerism), claimed an invisible universal fluid could cure disease; his 1784 debunking by the Franklin commission seeded the concept of suggestion and modern hypnosis.
Franz Nissl
Franz Nissl (1860–1919) was a German psychiatrist and neuropathologist who, as a medical student in 1884, invented the Nissl stain, revealing Nissl bodies and underpinning Brodmann's cortical map.
Franz Oesch
Franz Oesch, born 1938 in Zurich, is a Swiss pharmacologist and toxicologist known for his work on epoxide hydrolases, enzymes that handle reactive metabolites of chemical carcinogens.
Franz Schaefer
Franz Schaefer, born 1961 in Aschaffenburg, Germany, is a pediatric nephrologist who heads the pediatric nephrology division at Heidelberg University Hospital and led the ESCAPE Trial.
Franz Schrader
Franz Schrader (1891–1962) was a German-born American cytologist at Columbia University, elected to the National Academy of Sciences in 1951, known for work on chromosomes and mitosis.
Franz Volhard
Franz Volhard (1872–1950) was a German internist regarded as a father of modern nephrology and hypertension research, who replaced Bright's disease with a three-part classification of kidney disease and introduced salt restriction.
Franz von Leydig
Franz von Leydig (1821–1908) was a German zoologist and comparative anatomist, born in Rothenburg ob der Tauber, who discovered the testosterone-producing Leydig cells of the testis in 1850.
Franz–Josef Bormann
F. Herbert Bormann (Frederick Herbert Bormann) was an American ecosystem ecologist at Yale who co-founded the Hubbard Brook Ecosystem Study, whose 1974 paper documented acid rain in the northeastern United States.
Franz–Josef Neumann
Franz–Josef Neumann is a German interventional cardiologist who directed cardiology at the Heart Centre Bad Krozingen from 2001 to 2022 and chaired the 2018 ESC/EACTS revascularization guidelines.
Franziska Michor
Franziska Michor is an Austrian-born computational biologist who earned a Harvard PhD at 22, holds the Charles A. Dana Chair in Human Cancer Genetics at Dana-Farber, and models cancer evolution and drug resistance.
FRAP (fluorescence microscopy)
FRAP, or fluorescence recovery after photobleaching, is a fluorescence microscopy technique that bleaches a small region of labeled molecules in a living cell and measures fluorescence recovery to quantify diffusion and binding.