Mycoplasmas - Stealth Pathogens. By Leslie Taylor January, 2001. Mycoplasmas are a specific and unique species of bacteria - the smallest free-living organism known on the planet. The primary differences between mycoplasmas and other bacteria is that bacteria have a solid cell-wall structure and they can grow in the simplest culture media.
Definition of titanium. : a silvery-gray light strong metallic element obtained from ilmenite and rutile and used especially in alloys and combined in refractory materials, pigments, and coatings â see element table.
Titanium is a transition metal which is very strong and light (4.4 gm/cm3). It has a high melting point (1800Â°C) and finds application in aircraft wings, particularly at points which are subjected to the high heat of exhaust. Titanium dioxide in powder form is very white and is used to advantage as a pigment in special paints and face powders. Titanium dioxide, TiO2, in crystalline form appears in the mineral rutile. It may be colored by small amounts of other metal oxides and has been used for gems. Titanium dioxide also makes up the minerals Brookite and anatase. Titanium and iron together form the oxides ilmenite, FeTiO3, and pseudobrookite, Fe2TiO5.