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).
Figure 2 (Triangles in the Taxicab Plane can fail to obey the SAS (Side-Angle-Side) axiom of the Euclidean plane) Triangle AOC is a right isosceles triangle with the two legs having length 2 and hypotenuse 4, while triangle OBC is also a right isosceles triangle with legs of length 2 but with hypotenuse 2.