arc-quadrant — arc quad·rant (ahrk kwodґrənt) an arc guidance system that has a 90° arc … Medical dictionary
Arc flash — An arc flash (or arc blast) event is a type of electrical explosion that results from a low impedance connection to ground or another voltage phase in an electrical system. DefinitionAn arc flash is a voltage breakdown of the resistance of air… … Wikipedia
Arc Flash Loss Prevention — AFLP Arc Flash Loss Prevention is a six step program designed to help businesses and organizations comply with Occupational Safety and Health Administration (OSHA) and National Fire Protection Association (NFPA) requirements for protecting… … Wikipedia
Fine Guidance Sensor — The Fine Guidance Sensor (FGS) is an interferometric instrument on board the Hubble Space Telescope (HST) that provides high precision pointing information as input to the observatory s attitude control systems. There will also be a fine guidance … Wikipedia
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
Nervous system — Nerve redirects here. For other uses, see Nerve (disambiguation). This article is about the nervous system. For parts of the nervous system commonly called nerves, see Peripheral nerve. Nervous system The Human N … Wikipedia
Arena Active Protection System — NOTOC Infobox Weapon name= ARENA caption= Arena Active Protection System origin= flagicon|Russia Russia type= Active Protection System is ranged= is explosive= is missile= is UK=yes service= used by= Russia wars= designer= Kolomna based… … Wikipedia
Stereotactic surgery — Surgery in which a system of three dimensional coordinates is used to locate the site to be operated on. Stereotactic surgery is used in neurosurgery (and neurological research) for locating points within the brain. This is usually done by using… … Medical dictionary
Brown-Roberts-Wells technique — a technique for stereotactic neurosurgery that uses a ring to hold the head in position, a ring for localization of a computed tomography image, and an arc guidance system … Medical dictionary
Leksell technique — a technique for stereotactic neurosurgery that uses an arc guidance system and a cube shaped frame that holds the head in position and is marked with X, Y, and Z coordinates for three dimensional orientation … Medical dictionary