Quadrant
Quadrant is a term used in various fields of study such as mathematics, navigation, and anatomy to refer to a quarter of a circle or a specific area or region.
Mathematics[edit | edit source]
In mathematics, a quadrant is one of the four sections into which a plane is divided by two perpendicular number lines (the x-axis and y-axis). The four quadrants are usually labeled counterclockwise as I, II, III, and IV starting from the upper right quadrant. Each quadrant represents a specific set of possible values for the x and y coordinates: positive x and positive y in Quadrant I, negative x and positive y in Quadrant II, negative x and negative y in Quadrant III, and positive x and negative y in Quadrant IV.
[edit | edit source]
In navigation, a quadrant is a navigational instrument used for determining latitude. It is a type of backstaff, a device that allows the user to measure the angle between a celestial body and the horizon without directly looking at the sun.
Anatomy[edit | edit source]
In anatomy, a quadrant refers to one of the four sections of the abdomen. The abdomen is divided into four quadrants by two imaginary lines intersecting at the navel: the right upper quadrant (RUQ), left upper quadrant (LUQ), right lower quadrant (RLQ), and left lower quadrant (LLQ). Each quadrant contains specific organs and structures.
See also[edit | edit source]
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