72,234 articles
Hump (anatomy)
Hump (anatomy): the muscular fatty shoulder or neck prominence of zebu cattle (Bos indicus), built from rhomboideus cervicis over thoracic vertebrae T1–T9; the trait distinguishing humped zebu from humpless taurine cattle.
Humpback whale
Humpback whale (Megaptera novaeangliae), a rorqual baleen whale of all major oceans; up to 60 feet, 40 tons; long migrations, bubble-net feeding, famous song; IUCN Least Concern after whaling recovery.
Humphead wrasse
Humphead wrasse (Cheilinus undulatus), also called Napoleon or Maori wrasse, is the largest wrasse, over 2 m and 190 kg, an Indo-Pacific reef fish listed as IUCN Endangered and on CITES Appendix II since 2004 due to live reef food fish trade overfishing.
Humulus
Humulus (hops genus) is a Cannabaceae genus of dioecious twining herbs native to the temperate Northern Hemisphere, with 7 accepted species; H. lupulus cones supply beer bitterness, aroma, and preservation.
Humulus lupulus
Humulus lupulus, common hop, is a dioecious perennial Cannabaceae vine whose female cones (strobili) supply beer's bitterness and aroma; ~97% of production goes to brewing, with humulone, xanthohumol, and 8-prenylnaringenin as key compounds.
Humulus scandens (Japanese hop) pollen allergen skin prick test solution
葎草花粉变应原皮肤点刺液, Skin Prick Solution for Humulus japonicus (Japanese hop) pollen allergens: Wolwo Biotech's NMPA-approved (国药准字 S20230025, 2023) 3333 DU/ml skin prick reagent aiding diagnosis of Humulus pollen type I allergy in China.
Humus
Humus: the stable, brown to black, amorphous fraction of soil organic matter formed by decomposition of dead biomass; 45-75% of soil organic matter; classical fractions fulvic acid, humic acid, humin; key to water and nutrient retention.
Hung Fan
Hung Fan is an American molecular biologist and virologist, emeritus professor at the University of California, Irvine, known for research on murine leukemia virus and jaagsiekte sheep retrovirus.
Hung‐wen Liu
Hung-wen Liu (刘鸿文), known as Hung-wen (Ben) Liu, is a Taiwanese-born chemical biologist at the University of Texas at Austin who studies enzyme mechanisms and antibiotic sugar biosynthesis.
Hunger in the United States
Hunger in the United States is tracked officially as food insecurity, not hunger: USDA's CPS survey found 13.7% of households food insecure in 2024; SNAP (renamed from food stamps in 2008) is the main response, and the annual survey was discontinued in 2025.
Hunger Plan
The Hunger Plan, also known as der Backe-Plan, was a Nazi plan of 1941 to seize Soviet food for Germany, deliberately starving millions of Soviet citizens.
Hunter Fraser
Hunter B. Fraser is a population and evolutionary geneticist and Professor of Biology at Stanford University whose lab studies how the evolution of gene expression produces complex traits.
Hunter Heath
Hunter Heath is an American endocrinologist known for research on calcitonin and primary hyperparathyroidism, who trained at Walter Reed, worked at Mayo Clinic, and later joined Indiana University.
Hunter syndrome
Hunter syndrome (MPS II, iduronate-2-sulfatase deficiency) is an X-linked lysosomal storage disease in boys causing glycosaminoglycan buildup; treated with weekly IV idursulfase, which does not cross the blood-brain barrier.
Hunter-McAlpine syndrome
Hunter-McAlpine syndrome (Hunter-McAlpine craniosynostosis, OMIM 601379) is an ultra-rare autosomal dominant disorder from 5q35-qter duplication, with craniosynostosis, intellectual disability, short stature, almond-shaped eyes, and about 10 reported patients.
Hunting behavior and ecology of spider wasps
Spider wasps (Pompilidae) are solitary hunting wasps in which every species stings a spider into paralysis, lays one egg on it, and the larva consumes that one spider.
Huntingtin
Huntingtin (HTT, IT15) is the chromosome 4 protein whose CAG-repeat expansion causes Huntington's disease; a 348 kDa HEAT-repeat scaffold essential for embryonic development, BDNF transcription, and axonal trafficking.
Huntington disease-like 1
Huntington disease-like 1 (HDL1), also called Huntington-like neurodegenerative disorder 1, is a rare autosomal dominant familial prion disease from PRNP octapeptide repeat insertions, mimicking Huntington disease with chorea, dementia, seizures, onset 20-45 years, survival 1-10 years.
Huntington disease-like 2
Huntington disease-like 2 (HDL2) is a rare neurodegenerative disorder mimicking Huntington disease, caused by a JPH3 gene repeat expansion and seen only in people of African ancestry.
Huntington F. Willard
Huntington F. Willard is an American human geneticist known for discovering XIST, the RNA controlling X-chromosome inactivation, and for creating the first human artificial chromosome in 1997.
Huntington Potter
Huntington Potter is a neuroscientist and Professor of Neurology at the University of Colorado who researches Alzheimer's disease, its link to Down syndrome, and GM-CSF treatment trials.
Huntington's disease
Huntington's disease (HD), also called Huntington's chorea, is an autosomal dominant neurodegenerative disease caused by CAG repeat expansion in the HTT gene, causing chorea, cognitive decline, and behavioral symptoms, typically starting in middle age with no cure.
Huntsman spider
Huntsman spiders (Sparassidae, formerly Heteropodidae; giant crab spiders) are large, fast, crab-legged ambush spiders, over 1,500 species worldwide, not web-builders, with subsocial species like Delena cancerides and mild venom.
Huntsman spiders of Australia and Oceania
Huntsman spiders of Australia and Oceania are large, webless hunting spiders (family Sparassidae) with crab-like legs that run sideways, common across Australia, New Zealand, and New Guinea.
Huoluan Lun
霍乱论 (Huoluan Lun), also Suixiju Chongding Huoluan Lun, is Wang Shixiong's 1838 Chinese monograph on cholera, the first of its kind, distinguishing cold and hot huoluan with formulas like Ranzhao Tang and Lianpo Yin, revised in 1862.
Huopo Xialing Decoction
藿朴夏苓汤 (Huopo Xialing Decoction), a classical Chinese medicine formula for damp-warmth from the Qing text Yi Yuan (1861), named by He Lianchen; ten herbs including patchouli, magnolia bark, pinellia, and poria; listed in the first Ancient Classic Formulas Directory.
Huoshaohua
火烧花 (Mayodendron igneum), also 缅木, is a Bignoniaceae evergreen tree from southern China and Indochina; its orange-yellow flowers bloom on the old trunk (cauliflory) and are eaten as a Xishuangbanna vegetable. Distinct from Spathodea campanulata, which shares the name.
Huperzia
Huperzia (firmoss) is a genus of terrestrial clubmosses in Lycopodiaceae, named for Johann Peter Huperz; reproduces by gemmae, lacks strobili, and is the source of the Alzheimer's drug huperzine A.
Huperzine A
Huperzine A, a Lycopodium alkaloid from Huperzia serrata (Qian Ceng Ta), is a reversible acetylcholinesterase inhibitor studied for Alzheimer's disease; sold as a US supplement, a drug in China, with insufficient clinical evidence.
Hura crepitans
Hura crepitans, the sandbox tree or jabillo, is a spiny Euphorbiaceae tree native to tropical America with toxic sap and explosive fruit capsules that launch seeds at about 43 m/s up to 45 m.