Orn

Orn or ORN may refer to: Orn (name), a given name and surname Orn, the second book in Piers Anthony's trilogy Of Man and Manta Offshoring Research Network, an international network researching the offshoring of business processes and services Olfactory receptor neuron, a type of cell in the nasal mucosa that transduces the presence of odorant molecules into a neural signal Olympic route network, a network of dedicated roads linking venues and other key sites in the host city during Olympic games Oran Es Sénia Airport (IATA code), an international airport in Es Sénia, Algeria Ornithine, an amino acid that plays a role in the urea cycle Osteoradionecrosis, a complication of radiation therapy where a section of bone dies

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