All articles starting with I

IgA-inducing protein

IgA-inducing protein (IGIP, human gene IGIP, formerly C5orf53) is a small secreted dendritic-cell protein that acts as an IgA class-switch factor for naïve B cells; its expression is regulated by VIP and CD40L, not TLR signaling.

Sep 21, 2026

Igal Szleifer

Igal Szleifer is an Argentina-born biomedical engineer who holds the Christina Enroth-Cugell chair at Northwestern University, known for molecular modeling of protein adsorption and chromatin.

Igala Kingdom

The Igala Kingdom was a pre-colonial state of the Igala people at the Niger-Benue confluence in central Nigeria, ruled by a king titled the Ata.

Igala–Benin wars

The Igala–Benin wars were pre-colonial conflicts between the Kingdom of Igala at Idah and the Kingdom of Benin, best documented in the Idah war of 1515–1516.

Igala–Idoma relations

Igala–Idoma relations are the historical, linguistic, and cultural interactions between the Igala people of the Niger-Benue confluence in Nigeria and their Idoma neighbors, including shared-origin traditions and Idoma migration through Igala territory between 1685 and 1751.

Igala–Igbo relations

Igala–Igbo relations are the historical contacts between the Igala people, centered on the Idah kingdom, and the Igbo of northern Igboland, with Igala influence dominant from the 17th century.

Igala–Jukun relations

Igala–Jukun relations are the historical interactions between the Igala kingdom of Idah and the Jukun of the Benue valley, centered on the Niger–Benue confluence in Nigeria.

Igala–Nupe relations

Igala–Nupe relations were the pre-colonial political, commercial, and cultural ties between the Igala kingdom, centered at Idah, and the Nupe kingdom, in the Niger–Benue confluence region of central Nigeria.

Igaluk (crater on Callisto)

Igaluk is a 111.70 km diameter impact crater on Callisto at 5.6°N, 316°W, named for the Alaskan Eskimo name of the Moon and approved by the IAU in 1979.

Igamecf study

Igamecf study: clinical trial NCT02277860, Gaming Console Home-Based Exercise for Adults With Cystic Fibrosis; 12-week Wii Fit Plus exergame program testing peak VO2 at University of Alabama at Birmingham.

Igawa Komichi Lane Stream (いかわ小道の小川, w531584078)

Igawa Komichi Lane Stream (いがわ小道の小川, OSM way 531584078/1363443795) is a 1-m-wide waterside lane along a clear koi-filled irrigation canal fed by the Yoshidagawa river in Gujo Hachiman, Gujo, Gifu, Japan; free, always open.

Sep 19, 2026

IGAWorks

IGAWorks (아이지에이웍스) is a South Korean data-technology company founded in 2006 and headquartered in Seoul, known for adbrix and DFINERY and as Korea's first data-sector unicorn.

Igbo Landing

Igbo Landing, also Ibo, Ebo, or Ebos Landing, is a Dunbar Creek site on St. Simons Island, Georgia, where 75 enslaved Igbo captives rebelled and drowned themselves in May 1803, inspiring the Gullah Geechee flying Africans legend.

Igbo language

Igbo is a Niger-Congo (Kwa) tone language of southeastern Nigeria, one of the country's three major languages, with high, mid, and low tones that mark words and grammar. UNESCO classifies it as critically threatened; 116 dialects, Standard Igbo, and BBC News Igbo revitalization define it.

Igbo masquerade performance poetry

Igbo masquerade performance poetry is the chant and spoken verse of masked performers among the Igbo people of southeastern Nigeria, its best-described form the mbem mmọnwụ ancestral mask chants.

Igbo masquerade satirical drama (Ekpe and Okonko)

Igbo masquerade satirical drama is a masked performance tradition of southeastern Nigeria, where the Ekpe festival and Okonko society masquerade use satire to enforce community norms.

Igbo novel

The Igbo novel is prose fiction associated with the Igbo people of southeastern Nigeria, beginning with Pita Nwana's Omenuko in 1933 and Chinua Achebe's Things Fall Apart in 1958.

Igbo people

The Igbo (Ibo) are one of Nigeria's three largest ethnic groups, alongside the Hausa-Fulani and Yoruba, at about 15.2% of the population, speaking a Kwa Niger-Congo language, with decentralized precolonial town-assembly governance, the Nri and Aro institutions, and the 1967–70 Biafra war as central history.

Igbo proverbs

Igbo proverbs, called ilu or ilu okwu, are the condensed wise sayings of the Igbo people of southeastern Nigeria, used in everyday speech and ceremony to advise, warn, and teach moral values.

Igbo Uli and Nsukka modernist painting

Igbo uli and Nsukka modernist painting is a movement at the University of Nigeria, Nsukka that adapted uli, a women's art of Igbo body and wall painting, into modern art.

Igbo-Ukwu

Igbo-Ukwu is an archaeological site in southeastern Nigeria, known for ninth-century intricately cast bronzes, copper objects, and beads excavated by Thurstan Shaw in 1959 and 1960.

Igbo-Ukwu bronzes

The Igbo-Ukwu bronzes are cast copper-alloy ritual vessels, regalia, and ornaments excavated at Igbo-Ukwu, eastern Nigeria, and dated between the 9th and 13th centuries CE.

Igboland

Igboland is the homeland of the Igbo people of southeastern Nigeria, a Kwa-speaking region of villages and towns organized without kings. Distinguishing facts: over 40 million Igbo today, settlements over two millennia old, councils of elders and oracles for social control, and a contested "stateless society" label.