All articles starting with H

Heo Hwang-ok (황옥)

Heo Hwang-ok (황옥), called Suriratna in India, is the legendary Indian princess of "Ayuta" whom the Samguk Yusa says married King Suro of Gaya around 48 CE. Her Ayodhya origin is advocated by Kim Byung-Mo but contested in favor of a Tamil south Indian origin.

Heo Jeok

Heo Jeok (허적) was a Joseon statesman who rose to Chief State Councillor early in King Sukjong's reign and led the moderate wing of the Southern faction.

Heo Jun

Heo Jun (허준, 1539–1615) was a Joseon-dynasty court physician who rose to head of the royal clinic and compiled the Donguibogam, Korea's representative traditional medical text.

Heo Mok

Heo Mok (許穆, 허목), pen name Misu, was a Korean scholar, calligrapher, and politician of the late Joseon dynasty who rose to Second State Councillor without passing the civil examination.

Heo Nam-jun

Heo Nam-jun (허남준), born 1993, is a South Korean actor with H.SOLID who debuted in the 2019 film Like the First Glass and broke out with Your Honor, When the Phone Rings, A Hundred Memories, and My Royal Nemesis.

Heo Nanseolheon

Heo Nanseolheon (허난설헌, 1563–1589) was a Korean poet of the mid-Joseon period who wrote in classical Chinese and was the sister of the writer Heo Gyun.

Heo Young-ji (허영지)

Heo Young-ji (허영지, also Hur Youngji, HUR YOUNG JI), born 1994, is a South Korean singer who won KARA Project in 2014 to join KARA on Day & Night, then debuted solo in 2023 with Toi Toi Toi and joined SM C&C in 2024.

Sep 19, 2026

Heo Young-saeng

Heo Young-saeng (허영생) is a South Korean singer, a member of the K-pop boy group SS501 since 2005 who began a solo career in 2011.

Oct 3, 2026

Heo's Diner (허식당)

Heo's Diner (허식당, Heoshikdang) is a 2025 South Korean time-slip fantasy rom-com drama, not the Yeouido restaurant of the same name: Joseon food writer Heo Gyun travels 400 years to modern Seoul and runs a diner, 10 episodes on Netflix and Wavve starring Xiumin and Exy.

Heondeok of Silla

Heondeok of Silla (헌덕왕), personal name Kim Eon-seung, was the 41st king of Unified Silla from 809 to 826, taking the throne by killing his nephew King Aejang.

Heongang of Silla

Heongang of Silla (헌강왕), personal name Jeong, was the 49th king of Unified Silla, reigning from 875 to 886 and pursuing sinicizing reforms to strengthen royal power.

Heonjong of Goryeo

Heonjong of Goryeo, personal name Wang Uk, was the 14th king of Goryeo, reigning from 1094 to 1095 before being deposed by his uncle Sukjong.

Sep 23, 2026

Heonjong of Joseon

Heonjong of Joseon (李烉) was a king of Korea's Joseon dynasty, reigning as a vassal king invested by the Qing dynasty; he died aged twenty-three without an heir.

Heorhiy Narbut

Heorhiy Narbut (Георгій Нарбут, 1886 to 1920) was a Ukrainian graphic artist and book illustrator who designed the UNR's trident emblem, banknotes, stamps, and seals.

Heorot

Heorot ("Hart") is the legendary mead-hall of King Hrothgar in the Old English epic Beowulf, where Grendel terrorizes the Danes and Beowulf fights him; built for gift-giving, fated to burn, and possibly linked to Lejre, Zealand.

Heosaengjeon

Heosaengjeon (허생전, "Tale of Heo Saeng") is a classical Chinese short story by the late Joseon scholar Park Ji-won, about a scholar who turns a 10,000-nyang loan into a fortune.

Oct 20, 2026

Hep 3B2.1-7

Hep 3B2.1-7 (Hep3B, ATCC HB-8064, CVCL_0326) is a human hepatocellular carcinoma cell line from an 8-year-old boy, established 1976, HBV genome-integrated, AXIN1/RB1 mutated, second most used HCC line after HepG2.

HEp-2

HEp-2 (H.Ep.-2, CVCL_1906, ICLAC-00007) is a human cancer cell line described in 1954 as laryngeal carcinoma but shown in 1967 to be a HeLa derivative; still widely used for ANA immunofluorescence testing and virus culture.

Hep-G2

Hep-G2 (HepG2, CVCL_0027, ATCC HB-8065) is a human liver cancer cell line established in 1975 from a 15-year-old male, reclassified from hepatocellular carcinoma to hepatoblastoma, widely used in drug metabolism and hepatotoxicity research despite very low CYP enzyme expression.

HEPA

HEPA (high-efficiency particulate air) is a class of air filters, defined by the U.S. Department of Energy, that remove at least 99.97% of 0.3 µm airborne particles.

Oct 15, 2026

HEPA filter

A HEPA (high-efficiency particulate air) filter is a disposable pleated air filter removing at least 99.97% of 0.3-micrometer particles, used in cleanrooms, hospitals, nuclear facilities, and household air purifiers.

Hepa Thera Bio (星曜坤泽)

Hepa Thera Bio (星曜坤泽, Xingyao Kunze) is a clinical-stage Suzhou biopharmaceutical company founded in 2021, developing siRNA and antibody drugs for liver disease, led by a hepatitis B combination.

Hepacivirus

Hepacivirus (Orthohepacivirus) is a Flaviviridae virus genus whose type species, hepatitis C virus (HCV), causes chronic bloodborne hepatitis; other species infect horses, rodents, bats, cows, and primates.

Hepadnaviridae

Hepadnaviridae (hepatitis B-type viruses): family of small enveloped DNA viruses, 3.0–3.4 kb partially double-stranded genomes, replicating by reverse transcription in hepatocytes; five genera, HBV prototype, ancient fish-virus origins.

HepaRG

HepaRG (Hepa-RG, CVCL_9720) is a human hepatoma cell line from a female HCV/hepatocarcinoma patient, established 2002; a bipotent progenitor line that differentiates with DMSO into hepatocyte-like cells expressing CYP enzymes and supporting HBV/HDV infection.

Heparin

Heparin, a sulfated glycosaminoglycan anticoagulant discovered in 1916 by Jay McLean, potentiates antithrombin to inhibit thrombin and factor Xa; forms include unfractionated heparin and low-molecular-weight heparins, used for thrombosis, surgery, and dialysis, with recurring shortages tied to porcine sourcing.

Heparin-induced thrombocytopenia

Heparin-induced thrombocytopenia (HIT), an immune adverse reaction to heparin mediated by anti-PF4/heparin IgG, causes thrombocytopenia with paradoxical thrombosis; diagnosed via 4Ts score, immunoassays, and functional assays, and treated with non-heparin anticoagulants.