All articles starting with O

Omotola Jalade Ekeinde

Omotola Jalade Ekeinde (Omo Sexy), Nigerian actress and filmmaker, 300+ Nollywood films since 1995, AMAA winner, 2013 TIME 100 honoree, WFP ambassador, and director of Mother's Love (2026).

Omphalitis of newborn (omphalitis neonatorum, ICD-10 P38) is a bacterial infection of the umbilical cord stump in the first 28 days of life, polymicrobial, with sepsis as the main complication; incidence 0.2–0.7% in industrialized countries, up to 22% where home birth is common.

Omphalocele

Omphalocele (exomphalos) is a congenital abdominal wall defect in which intestines, liver, or other organs herniate through the umbilicus inside a membranous sac, distinguishing it from gastroschisis; treated surgically, often staged, with about 1 in 3,704 US births affected.

Omphalocele-diaphragmatic hernia-cardiovascular anomalies-radial ray defect syndrome

Omphalocele-diaphragmatic hernia-cardiovascular anomalies-radial ray defect syndrome, or Gershoni-Baruch syndrome (OMIM 609545), an extremely rare autosomal recessive multiple congenital anomaly disorder, mostly fatal neonatally, with fewer than ten reported patients.

Omphalomesenteric cyst

Omphalomesenteric cyst (vitelline duct cyst, enterocystoma): rare congenital abdominal wall malformation from a persisting omphalomesenteric duct segment, GI-differentiated epithelium, ICD-10 Q43.0, presenting in childhood.

Omphalos

Omphalos (ὀμφαλός, "navel"): sacred navel-shaped stone marking the center of the world, chiefly the Delphic omphalos in Apollo's temple at Delphi, tied to Zeus's two eagles myth, Strabo's description, and surviving marble stones.

Omphalos hypothesis

The Omphalos hypothesis, also called the Omphalos theory, is Philip Henry Gosse's 1857 argument that a newly created Earth would carry false traces of ancient history.

Omphalotaceae

Omphalotaceae (Bresinsky 1985) is a family of marasmioid gilled fungi in Agaricales, suborder Marasmiineae, with about 10 genera and 600 species including Gymnopus, Lentinula, Marasmiellus, Mycetinis, Omphalotus, and Rhodocollybia; its two largest genera are polyphyletic.

Omphalotus olearius

Omphalotus olearius, known as the jack-o'-lantern mushroom or Clitocybe olearia, is a poisonous orange mushroom of southern Europe whose gills glow faint green in the dark.

OMPL

OMPL, the Open Motion Planning Library, is an open-source C++ library of sampling-based motion planning algorithms, first released in 2008 and serving as the default planner in MoveIt.

Omri (עמרי)

Omri (עמרי), king of Israel c. 885–874 BCE, army commander turned founder of the Omride dynasty; built Samaria as capital, subdued Moab per the Mesha Stele, and gave Israel its Assyrian name, House of Omri.

Oct 10, 2026

Omri Boehm

Omri Boehm (born 1979 in Haifa) is an Israeli philosopher at the New School in New York who works on Kant and Spinoza and advocates a binational Israeli-Palestinian federation.

Omri Casspi (עומרי משה כספי)

Omri Casspi (עומרי כספי), born 1988 in Holon, Israeli forward; first Israeli drafted in the NBA first round (23rd, Kings, 2009) and first to play in the NBA; 588 games, 7 teams, 2018 Warriors ring.

Omri Padan

Omri Padan is an Israeli businessman who founded, owned, and led McDonald's Israel from 1993 until its 2024 buy-back by McDonald's, and is a co-founder of the Peace Now movement.

Omride dynasty

The Omride dynasty, also called the House of Omri (Bit-Humri in Assyrian records), was the ninth-century BC ruling dynasty of northern Israel, founded by King Omri.

Omride wars with Aram

The Omride wars with Aram were ninth-century BC conflicts between Israel under Ahab and Aram-Damascus under Ben-Hadad, ending with Hazael's victory at Ramoth-gilead around 842 BC.

OMRON Corporation

OMRON Corporation (オムロン), formerly Tateisi Electronics, is a Japanese automation, sensing, and healthcare group founded by Kazuma Tateishi in Osaka in 1933 and headquartered in Kyoto.

Omron Robotics and Safety Technologies

Omron Robotics and Safety Technologies is the robotics and machine-safety subsidiary of Japan's OMRON Corporation, formed in 2019 and based in Pleasanton, California, with more than 46,000 robots deployed across 130 countries.

Omron Viper

The Omron Viper is a family of six-axis articulated industrial robots for precision assembly and material handling, introduced by Adept Technology and acquired by OMRON in 2015.

OMSI 2

OMSI 2 (OMSI 2: Steam Edition) is a 2013 Windows omnibus simulator by MR-Software GbR and Aerosoft, simulating Berlin-Spandau bus driving in 1986-1994 with deep bus systems, modding, and 120 DLC add-ons.

Omsk (Омск)

Omsk (Омск), Siberian city at the Om-Irtysh confluence, administrative center of Omsk Oblast since 1934. Founded as a fortress in 1716 by Bukholts; city status 1782; population about 1.11 million; major oil-refining and petrochemical center on the Trans-Siberian Railway.

Omsk CHP-5 power station

Omsk CHP-5 (Омская ТЭЦ-5) is a coal-fired combined heat and power plant in Omsk, Russia, owned by TGC-11 under Inter RAO, with 735 MW capacity.

Sep 24, 2026

Omsk coup

The Omsk coup (Омский переворот) was the 18 November 1918 seizure of power in Omsk, Siberia, that abolished the anti-Bolshevik Directory and made Admiral Kolchak Supreme Ruler of Russia.

Oct 20, 2026

Omsk hemorrhagic fever

Omsk hemorrhagic fever (OHF), caused by Omsk hemorrhagic fever virus (OHFV), a tick-borne flavivirus, is a rare biphasic hemorrhagic disease of western Siberia (Omsk, Novosibirsk, Kurgan, Tyumen), spread by ticks and muskrats, with 0.5–3% fatality and no specific treatment or vaccine.