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 combination of the actions of flexion, abduction, extension and adduction, in that order, is known as circumduction. This is a composite action, involving two axes of rotation: the transverse axis and the antero-posterior axis, and both actions allowed at each axis.he actions of abduction and adduction were previously described with regard to movements relating to the body as a whole. However, they may also be used to describe actions of the fingers and toes away from (abduction) or toward (adduction) a reference point.