72,234 articles
Guy Rouleau (neurologist)
Guy Rouleau is a Canadian neurologist and neurogeneticist, Chair of Neurology and Neurosurgery at McGill University, known for identifying more than 20 disease-causing genes in brain disorders.
Guy S. Salvesen
Guy S. Salvesen is a biochemist and Professor Emeritus at Sanford Burnham Prebys in La Jolla, California, known for his research on caspases, the proteases that execute programmed cell death.
Guy Thwaites
Guy Thwaites is an English infectious diseases physician and Oxford professor who directed the Oxford University Clinical Research Unit in Vietnam from 2013 to 2026, researching tuberculosis.
Guy's Hospital
Guy's Hospital, London SE1: NHS teaching hospital founded 1721 by Thomas Guy, opened 1725 for "incurables", endowed £219,499; now part of Guy's and St Thomas' NHS Foundation Trust with 400 beds and London's largest cancer care provider.
Guyin Jian
Guyin Jian (Gù yīn jiān, Decoction that Secures Yin) is a traditional Chinese medicine tonifying formula first recorded in Zhang Jiebin's Ming dynasty Jingyue Quanshu, nourishing liver and kidney yin.
Guzmania
Guzmania (Ruiz & Pav.), bromeliad genus in Tillandsioideae, about 215 species of tank epiphytes from Florida and Mexico to Brazil and Peru, mostly cloud forests; type species G. tricolor, named for Anastasio Guzmán.
GW501516
GW501516 (GW1516, Cardarine, Endurobol) is a potent PPARδ agonist developed by GSK and Ligand for metabolic disease, abandoned in 2007 over rodent carcinogenicity, and banned in sport by WADA since 2009.
Gwen Shamblin Lara
Gwen Shamblin Lara, known as Gwen Shamblin, was an American diet guru who founded the Weigh Down Workshop and Remnant Fellowship Church and died in a 2021 plane crash.
Gwendalyn J. Randolph
Gwendalyn J. Randolph is an American immunologist at Washington University School of Medicine who studies how immune cells and lipoproteins leave tissues through lymphatic vessels.
Gwendolyn Sowa
Gwendolyn Sowa is an American physician-scientist who chairs physical medicine and rehabilitation at the University of Pittsburgh, directs the UPMC Rehabilitation Institute, and was elected to the National Academy of Medicine in 2022.
Gwilym S. Lodwick
Gwilym S. Lodwick (1917–2011) was an American musculoskeletal radiologist who pioneered using computers to read radiological images and chaired radiology at the University of Missouri from 1955 to 1983.
Gwyneth Card
Gwyneth Card is an American neuroscientist, an HHMI Investigator since 2022, and chair of neuroscience at Columbia, known for studying how fruit flies select escape behaviors.
Gym
Gym: a place or club for exercising with machines, weights, and other equipment, from the ancient Greek gymnasion to the modern commercial health club; covers history, health benefits, industry scale, and access barriers.
Gymnadenia
Gymnadenia, including the former genus Nigritella, is a genus of Eurasian terrestrial orchids with about 12 to 30 accepted species, distinguished by spurred flowers, x = 20 chromosomes, and recurrent polyploid radiation.
Gymnasio
Gymnasio (Bonaparte, 1854) is a monotypic owl genus in Strigidae whose sole species, Gymnasio nudipes, the Puerto Rican Owl or múcaro, is endemic to Puerto Rico; Gymnoglaux is its junior synonym.
Gymnema sylvestre
Gymnema sylvestre (gurmar), an Apocynaceae liana native to the Old World tropics; its gymnemic acids block the human sweet receptor T1R2+T1R3 for 30-60 minutes and it is studied, so far in low-quality trials, for blood glucose lowering.
Gymnobela
Gymnobela Verrill, 1884 is a genus of deep-sea sea snails, marine gastropod mollusks in the family Raphitomidae (Conoidea), described from the New England coast; a 2024 revision reassigned 16 of its species to other genera.
Gymnocarpium
Gymnocarpium, also known as the oak ferns, is a small genus of ferns with delicate triangular fronds, native to temperate forests across the Northern Hemisphere and northwestern Africa.
Gymnocarpium dryopteris
Gymnocarpium dryopteris, oak fern or northern oak fern, is a small circumboreal deciduous fern with triangular, ternate fronds under 40 cm and naked round sori; an allotetraploid of G. appalachianum × G. disjunctum, indicator of cool moist forests.
Gymnocephalus cernua
Gymnocephalus cernua, the ruffe or Eurasian ruffe (pope, blacktail), a small nocturnal percid fish native to Eurasia, introduced to Lake Superior by ballast water in the 1980s and an invasive competitor of yellow perch.
Gymnophthalmidae
Gymnophthalmidae, the microteiids or spectacled lizards, is a family of over 290 small Neotropical lizards endemic to the New World tropics, ranging from southern Mexico to central Argentina, with the Guiana Shield as inferred ancestral area.
Gymnopus dryophilus
Gymnopus dryophilus (russet toughshank, formerly Collybia dryophila) is a hygrophanous, white-gilled litter mushroom in Omphalotaceae, common in European and North American forests and known as a cryptic species complex.
Gymnoris dentata
Gymnoris dentata, the Sahel Bush Sparrow (formerly Petronia dentata, Bush Petronia), is a 13 cm granivorous Passeridae sparrow of dry acacia woodland in the Sahel and Afrotropics; sedentary, Least Concern, genus Gymnoris distinct from Petronia.
Gymnosperm
Gymnosperms (naked-seed plants): cycads, Ginkgo, conifers, and gnetophytes; seeds exposed on cones, not in fruits. About 1,100 species, mid-Devonian origin, Mesozoic dominance, taiga ecology, high extinction risk.
Gymnosporangium
Gymnosporangium, a genus of rust fungi (Pucciniales) causing cedar-apple rust, alternates between juniper/Cupressaceae telial hosts and apple-tribe (Maleae) aecial hosts; now placed in Gymnosporangiaceae, with over 64 species and a 24-month two-host life cycle.
Gymnosporangium juniperi-virginianae
Gymnosporangium juniperi-virginianae, cedar-apple rust, is a heteroecious rust fungus alternating between junipers and apple-family hosts, producing orange gelatinous galls on cedar and leaf spots on apple.
Gymnotiformes
Gymnotiformes, commonly known as the electric eels and knifefishes, is an order of strictly freshwater Neotropical fishes that generate electric discharges and sense the world through them.
Gymshark
Gymshark is a British direct-to-consumer fitness apparel brand founded in 2012 by Ben Francis in a Birmingham garage, known for influencer marketing, its 2020 General Atlantic investment valuing it over £1 billion, and Regent Street retail.
GYN-ART study
GYN-ART (NCT06306170) is an observational, single-site study at IRCCS San Raffaele, Milan, evaluating toxicity and survival outcomes in 1,000 women with gynecologic cancer treated with IGRT, IMRT, or SBRT, distinct from the GynART 2011 EU funding effort.
Gynaecology
Gynaecology: medical and surgical care of disorders of the female reproductive system (ovaries, tubes, womb, cervix, vagina), paired with obstetrics; subspecialties include urogynaecology, reproductive medicine, colposcopy, and gynae-oncology.