Radial: A word with diverse meanings in medicine and the biomedical sciences: 1  Pertaining to the radius, the smaller bone in the forearm. 2  The radial artery is so named because of its proximity to the radius. 3  Pertaining to the radius of a circle.
A 3D model of ethyne (acetylene), the simplest alkyne. In organic chemistry, an alkyne is an unsaturated hydrocarbon containing at least one carbonâcarbon triple bond. The simplest acyclic alkynes with only one triple bond and no other functional groups form a homologous series with the general chemical formula CnH2nâ2.
The name of the smallest bone is the stapes, also known as the stirrup. It is found in the middle ear where it transmits sound vibrations from the Incas (anvil), which is the second smallest bone in the human body, to the inner ear.It is only about 2.5-3.5 mm (a 10th of an inch) big.he name of the smallest bone is the stapes, also known as the stirrup. It is found in the middle ear where it transmits sound vibrations from the Incas (anvil), which is the second smallest bone in the human body, to the inner ear. It is only about 2.5-3.5 mm (a 10th of an inch) big.