Answer by Gavin Harrington. Confidence votes 4.0K. A bitch is a female canine. The same word is often used in reference to something unpleasant or difficult to do. E.g- We had to deliver twenty large crates to the top floor, and the lift was out-that job was a bitch.
After reading this article, the physician should be able to: 1  Proper equipment setup and positioning for UGCVC. 2  Ultrasound criteria for possible difficult UGCVC. 3  Procedural steps involved in locating, accessing and cannulating the internal jugular vein with ultrasound guidance.
If every internal angle of a simple polygon is less than 180Â°, the polygon is called convex. In contrast, an exterior angle (or external angle) is an angle formed by one side of a simple polygon and a line extended from an adjacent side. 1  The sum of the internal angle and the external angle on the same vertex is 180Â°.