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
Intramembranous ossification is also an essential process during the natural healing of bone fractures and the rudimentary formation of bones of the head.t this point, the osteoid becomes mineralized resulting in a nidus consisting of mineralized osteoid that contains osteocytes and is lined by active osteoblasts. The nidus, that began as a diffuse collection of MSCs, has become rudimentary bone tissue.