In solid state electronics, either pure silicon or germanium may be used as the intrinsic semiconductor which forms the starting point for fabrication. Each has four valence electrons, but germanium will at a given temperature have more free electrons and a higher conductivity.
Circumduction. In anatomy, circumduction means to move a limb in a circular manner. Circumduction is defined as the movement pattern which is a combination of flexion, extension, adduction and abduction.ircumduction (Noun). The circular (or, more precisely, conical) movement of a body part, such as a ball-and-socket joint or the eye. It consists of a combination of flexion, extension, adduction, and abduction.
A gyrus is a fold or bulge in the brain. The cingulate gyrus is the curved fold that covers the corpus callosum. It is a component of the limbic system and involved in processing emotions and behavior regulation. It also helps to regulate autonomic motor function. The cingulate gyrus can be divided into anterior and posterior segments.