collateral artery n.
noun 1. circulation of blood through a network of minor vessels that become enlarged and joined with adjacent vessels when a major vein or artery is impaired, as by obstruction. collateral circulation n. Circulation maintained in small anastomosing vessels when the main artery is obstructed.
noun 1. the killing of civilians in a military attack. 2. any damage incidental to an activity. noun 1. (military) unintentional damage to civil property and civilian casualties, caused by military operations noun unintentional harm to persons or property as the result of military action n. by 1873 in legal cases; in modern use, generally […]
- Collateral fissure
collateral fissure n. See collateral sulcus.
- Collateral hyperemia
collateral hyperemia n. Hyperemia resulting from increased blood flow through collateral channels when the flow through the main artery is arrested.