72,234 articles
Hilar mossy cell
Hilar mossy cell: glutamatergic principal neuron of the dentate gyrus hilus, marked by thorny excrescences, axons reaching up to 35,000 granule cells; key in pattern separation, vulnerable in epilepsy.
Hilaria
Hilaria (curly-mesquite, hilaria grass) is a genus of about ten New World grasses in Poaceae, Chloridoideae, subtribe Hilariinae, native from western and central USA to Guatemala, described by Kunth in 1816.
Hilaria Baldwin
Hilaria Baldwin, born Hillary Hayward-Thomas in Boston, is an American yoga instructor who co-founded Yoga Vida in New York, married Alec Baldwin in 2012, wrote The Living Clearly Method, and was exposed in 2020 for a fabricated Spanish identity.
Hilary Koprowski
Hilary Koprowski (1916–2013) was a Polish-born American virologist who developed the first oral polio vaccine, trialed in 1950, and the oral rabies vaccine, directing The Wistar Institute in Philadelphia from 1957 to 1991.
Hilary Longhurst
Hilary Jane Longhurst is a New Zealand clinical immunologist and hereditary angioedema specialist at Auckland City Hospital who led the first CRISPR-Cas9 gene-editing trials for the condition.
Hildaites
Hildaites is an extinct Early Toarcian ammonite genus (Hildoceratidae, Hildoceratinae), type species H. subserpentinus Buckman 1921; synonyms Murleyiceras and Hildoceratoides; worldwide distribution; hypothesized ancestor of Hildoceras.
Hilde Mangold
Hilde Mangold (née Pröscholdt, 1898–1924) was a German embryologist whose 1923 dissertation under Hans Spemann discovered the embryonic organizer, the basis of his 1935 Nobel Prize.
Hildgund Schrempf
Hildgund Schrempf is a researcher at Osnabrück University who identified and cloned KcsA, the first known prokaryotic potassium ion channel, from Streptomyces lividans in 1995.
Hilding Berglund
Hilding Berglund (1887–1962) was a Swedish physician and professor of medicine specializing in kidney and metabolic disease, who taught at Harvard and Minnesota before leading a Stockholm clinic.
Hildoceras
Hildoceras, also called Hildoceras bifrons, is a Toarcian (Lower Jurassic) ammonite genus in Hildoceratidae, marked by a spiral flank groove, known from Yorkshire's Alum Shale and Mediterranean Tethys faunas.
Hill equation (biochemistry)
Hill equation (Hill-Langmuir equation): empirical biochemical formula from A.V. Hill's 1910 hemoglobin work describing ligand saturation with a Hill coefficient n; n=1 noncooperative, n>1 positive cooperativity; identical to the 4PL dose-response model.
Hillchol
Hillchol (BBV131) is a single-strain oral cholera vaccine using an inactivated Hikojima V. cholerae strain, developed by Hilleman Laboratories, launched by Bharat Biotech in India in 2024, non-inferior to Shanchol in Phase III.
Hillel Adesnik
Hillel Adesnik is a neuroscientist and Associate Professor of Neurobiology at UC Berkeley who studies cortical microcircuits and received the 2013 Presidential Early Career Award.
Hilmar Bading
Hilmar Bading is a neuroscientist who has been Chair of Neurobiology at Heidelberg University since 2001, known for discovering nuclear calcium as the central mediator of activity-dependent gene expression.
HILT trial (NCT07287046)
HILT trial (NCT07287046) is a Mahidol University single-blind randomized trial comparing high-intensity laser therapy with focused extracorporeal shock wave therapy for plantar fasciitis, enrolling an estimated 28 adults with VAS pain outcomes at 12 weeks.
HILUTS trial
HILUTS trial (NCT03633994), a phase 2 randomized quadruple-masked trial at The Christ Hospital, Cincinnati, testing intraoperative heparin bladder instillation (40,000 U) versus saline to reduce lower urinary tract symptoms after benign hysterectomy; no results posted.
Himadri B. Pakrasi
Himadri B. Pakrasi, also published as H. B. Pakrasi, is a biologist who studies cyanobacterial photosynthesis at Washington University in St. Louis, where he is the Freiberg Professor of Biology.
Himalaya Wellness Company
Himalaya Wellness Company, formerly Himalaya Drug Company, is an Indian herbal healthcare multinational founded in 1930 by M. Manal in Dehradun, based in Bengaluru, known for Liv.52, Cystone, and Serpina, selling about 500 products in over 100 countries.
Himalayan brown bear
Himalayan brown bear (Ursus arctos isabellinus, Dren-Mo), an ancient brown bear subspecies of the Hindu Kush, Karakoram, and western Himalayas at 3,000–5,500 m; roughly 600 remain, critically endangered in Pakistan, Schedule I in India.
Himalayan cat
Himalayan cat, or colorpoint Persian: longhaired cat with Persian body and Siamese colorpoint pattern and blue eyes. GCCF recognition 1955, CFA 1957; CFA merged it into Persian as a division in 1984, TICA keeps it a breed.
Himisha Beltran
Himisha Beltran is a medical oncologist and physician scientist, Professor of Medicine at Dana-Farber Cancer Institute and Harvard Medical School, known for research on treatment resistance and neuroendocrine prostate cancer.
Himladevi Soodyall
Himladevi (Himla) Soodyall is a South African human geneticist and Executive Officer of the Academy of Science of South Africa whose DNA studies of Khoe-San populations support southern Africa as humanity's likely place of origin.
Hindia
Hindia is an extinct genus of Ordovician to Carboniferous demosponge (family Hindiidae) named by Duncan in 1879; small round silica fossils, distinct from the snail genus Hindsia.
HindIII
HindIII is a Type II restriction enzyme from the bacterium Haemophilus influenzae strain Rd that cuts DNA at AAGCTT, leaving sticky ends widely used in molecular cloning.
Hindlimb unloading
Hindlimb unloading is a rodent model in which the hindquarters are elevated so the hindlimbs cannot bear weight while the forelimbs remain loaded, the standard ground-based model of microgravity.
Hinge teeth
Hinge teeth are interlocking projections on a bivalve mollusc's hinge plate that align the two shell valves. Types include taxodont, heterodont, isodont, and dysodont; key for bivalve classification and fossil identification.
Hingu sodhana
Hingu sodhana is the Ayurvedic purification of asafoetida (hingu, Ferula resin), done by frying in ghee per Rasatarangini; studies show reduced ash, moisture, and extractives after processing.
Hingula ghrta
Hingula ghrta: Ayurvedic preparations pairing purified cinnabar (Hingula, HgS, Sadharana Rasa) with medicated ghee (Ghrita), used as vehicle, processing medium, topical base, and part of the classical toxicity regimen.
Hingula sodhana
Hingula sodhana is the Ayurvedic purification (Shodhana) of cinnabar (Hingula, HgS), a Sadharana Rasa of Rasashastra, done by seven bhavanas with juices like ginger juice to detoxify the mercury-rich mineral before medicinal use or Parada extraction.
Hingulesvara Rasa
Hingulesvara Rasa (Hinguleshwara Rasa, Hinguleshwar Ras), a classical Ayurvedic herbo-mineral khalveya formulation of purified cinnabar, purified Aconitum ferox, and Pippali in equal parts, indicated for vataja jwara fever and Amavata.