Trapezoid
Trapezoid
Trapezoid (pronounced: trăp′ĭ-zoid′) is a term used in both geometry and anatomy. In geometry, it refers to a quadrilateral with at least one pair of parallel sides. In anatomy, it refers to a small bone in the wrist.
Etymology
The term trapezoid comes from the Greek words "trapeza" meaning table and "oeides" meaning shape or form.
Geometry
In geometry, a trapezoid is a quadrilateral with at least one pair of parallel sides. The parallel sides are known as the bases of the trapezoid, and the other two sides are called the legs. The altitude of a trapezoid is the perpendicular distance between the bases.
Anatomy
In anatomy, the trapezoid is one of the eight carpal bones of the wrist. It is located in the distal row of carpal bones, between the trapezium and the capitate. It is a small, boat-shaped bone that plays a crucial role in the stability and mobility of the wrist.
Related Terms
- Quadrilateral: A polygon with four sides and four angles.
- Carpal bones: The eight small bones that make up the wrist.
- Trapezium: A bone in the wrist adjacent to the trapezoid.
- Capitate: The largest of the carpal bones, located next to the trapezoid.
External links
- Medical encyclopedia article on Trapezoid
- Wikipedia's article - Trapezoid
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