A specific disease caused by infection with Mycobacterium tuberculosis, the tubercle bacillus, which can affect almost any tissue or organ of the body, the most common site of the disease being the lungs.
The Upside-Down Triangle: a model for the 21st century church. (friends, let me offer a disclaimer that this post is deeply wonky. If church systems talk is what you want, read on. Otherwise, I'll be back to your regularly scheduled programming soon).
Equilateral Triangle. An equilateral triangle is a triangle with all three sides of equal length , corresponding to what could also be known as a regular triangle. An equilateral triangle is therefore a special case of an isosceles triangle having not just two, but all three sides equal. An equilateral triangle also has three equal angles.