left-right deviation needle
11navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …
12Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
13Pneumothorax — Classification and external resources Right sided spontaneous pneumothorax (left in the image). An arrow indicating the edge of the collapsed lung. ICD 10 J …
14test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …
15Rhinoplasty — For the album by Primus, see Rhinoplasty (album). Rhinoplasty Intervention Rhinoplasty: The lower lateral cartilage (greater alar cartilage) exposed for plastic modification via the left nostril …
16Instrument landing system — The Instrument Landing System (ILS) is a ground based instrument approach system that provides precision guidance to an aircraft approaching a runway, using a combination of radio signals and, in many cases, high intensity lighting arrays to… …
17Auditing (Scientology) — Auditing was developed by L. Ron Hubbard, and is described by the Church of Scientology as spiritual counseling which is the central practice of Dianetics and Scientology . [http://faq.scientology.org/page02b.htm What is auditing? The President… …
18nervous system disease — Introduction any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… …
19Earth's magnetic field — Computer simulation of the Earth s field in a normal period between reversals.[1] The tubes represent magnetic field lines, blue when the field points towards the center and yellow when away. The rotation axis of the Earth is centered and… …
20Voyages of Christopher Columbus — Discovery of the Americas and Discovery of America redirect here. For other uses, see Discovery of the Americas (disambiguation). Voyages of Christopher Columbus The Four Voyages of Columbus Participants Christopher Columbus and crew …
