Save. Lightheadedness can be caused by a variety of conditions. It is a fainting or dizzy sensation primarily caused by a decrease in blood flow to the brain. High blood pressure, heart attack, pregnancy, anxiety and depression are common reasons why an individual may experience feeling lightheaded.eart Attack. Heart attacks are caused by low blood flow to the heart. The heart can die or become permanently damaged. If lightheadedness accompanies chest pain, change in vision or loss of speech, this could be a sign of a heart attack.
ossify - make rigid and set into a conventional pattern; rigidify the training schedule; ossified teaching methods; slogans petrify our thinking rigidify, petrify stiffen - make stiff or stiffer; Stiffen the cream by adding gelatine
Bone formation ossification Bone formation ossification is the process of adding new bone cells to your bone structure. Bone starts forming in the fetus during the 3rd month of pregnancy from a special type of cell called the mesenchymal cell, which is a type of stem cell.one formation ossification process The bone formation ossification process is initiated and affected by many factors, such as estrogen and PTH (parathyroid hormone) levels in human body.