(comparative more colloquial, superlative most colloquial) ( 1 linguistics) Denoting a manner of speaking or writing that is characteristic of familiar conversation; informal.  Of or pertaining to a conversation; conversational or chatty.
Cotton dust is often present in the air during cotton handling and processing. Cotton dust may contain many substances including ground-up plant matter, fiber, bacteria, fungi, soil, pesticides, non-cotton matter, and other contaminants that may have accumulated during growing, harvesting, and subsequent processing or storage periods.
Pathophysiology. Giant cell arteritis (GCA) is primarily a disease of cell-mediated immunity, which is thought to arise as a maladaptive response to endothelial injury. Actinic damage to the temporal artery from chronic sun exposure has been proposed as one source of the injury.tiology. The exact etiology of giant cell arteritis (GCA) remains unknown. Despite increased understanding of the inflammatory cascade responsible for the disease process, the initial event that triggers the cascade remains uncertain. Genetic, environmental, and autoimmune factors have been identified.