It is a hole
Increasing rigidity and tenderness indicates an increased likelihood of perforation and peritonitis.
The purpose of perforation depending on what one is talking about. In the case of oil well, the purpose of perforation is to allow the oil or gas to flow more easily to the wellbore to get it out of the ground.
Perforation means that there is a hole of some size in some organ ~ See related link below to several examples as to how the word "Perforation" is applied to a medical setting .
1 (left side of window) + (middle bars to make panes) 1 (right side of window) equals ( = top and bottom wood of window)
To sign 'window' in American Sign Language, make a rectangular shape with both hands in front of you, palms facing each other. Then, move the hands outward as if to show the opening and closing of a window.
Not in today's world.
It is a sign that perhaps you have left a window open.
The only way I could see this making sense is as a joke.1+1= windowBoth 1's would be the sides of the window, the + sign would be in the middle, and the = sign would be the window's top and sill. LOL
I just put a sign in the window of your car.
It is fabregas.
The Rate Sign in Windows 8 is also known as the Windows Experience Index. It can be accessed during start up, or by going to the start/run window and then the "my computer" icon.