Silicon is one of the most useful elements to mankind. Most is used to make alloys including aluminium-silicon and ferro-silicon (iron-silicon). These are used to make dynamo and transformer plates, engine blocks, cylinder heads and machine tools and to deoxidise steel. Silicon is also used to make silicones.
ciliary arteries, short posterior origin, ophthalmic artery; branches, none; distribution, choroid coat of eye. circumflex artery a branch that curves around to the back of the left ventricle in the coronary sulcus, supplying the left ventricle and left atrium. circumflex femoral artery, lateral origin, deep femoral artery; branches, ascending, descending, and transverse branches; distribution, hip joint, thigh muscles. circumflex femoral artery, medial origin, deep femoral artery; branches, deep, superficial, ascending, transverse, and acetabular branches; distribution, hip joint, thigh muscles.
The circumflex in French is the little Chinese hat on the top of certain French vowels. The most common reason for its presence is that it usually represents a letter that has been dropped over the centuries. The circumflex is often called 'le petit chapeau' (little hat) in French. 2  The presence of the circumflex indicates a change in pronunciation in the cases of a, Ã¢, e Ãª. 3  And o Ã´ it does not affect the pronunciation in the cases of. 4  I Ã® and u Ã» the.  french circumflex is a diacritic