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 very popular aerospace fastener material, since it has the strength of medium alloy steel with approximately half the weight of steel. In addition, it is much more corrosion resistant than alloy steel, requiring no protective coating in many applications.