Science

Endothelium Definition The endothelium is a thin layer of flat cells lining the closed internal spaces of the body such as the inside of blood…

Autoimmune Disease Definition Autoimmune disease is a disease in which impaired function and the destruction of tissue are caused by an immune reaction in which…

Potassium Iodide Definition Potassium iodide (KI) is a white crystalline compound used in photography and medicine and as a reagent in chemical analysis. It is…

Volume of Sphere means the number of cubic units that will exactly fill a sphere. The volume of sphere can be found by the formula:…

Concussion Definition Concussion is an injury to a soft structure, especially the brain, produced by a violent blow or impact and followed by a temporary,…

Adamite is a zinc arsenate hydroxide mineral, Zn2AsO4OH. It occurs in many different lively colors. It is a mineral that typically occurs in the oxidized…

Silver Iodide Definition Silver iodide is a pale-yellow, odorless powder that darkens when it is exposed to light. The darkening occurs because silver ions (Ag+;…

Definitions of surds: A root of a positive real quantity is called a surd if its value cannot be exactly determined. It is a number…

Barium Sulfate Definition Barium sulfate is a fine white powder used in making textiles, rubber, and plastic. It is also used in diagnostic imaging of…

Microglia Definition Microglia is any of the small neuroglial cells of the central nervous system (CNS) having long processes and ameboid and phagocytic activity at…

Witherite Definition Witherite (BaCO3) is a white, grey, or yellowish mineral consisting of barium carbonate in orthorhombic crystalline form: occurs in veins of lead ore.…

Vomiting Definition Vomiting is a matter ejected from the stomach through the mouth, usually as a result of involuntary muscle contractions. The causes of vomiting…