abdominal paracentesis insertion of a trocar through a small incision and into the peritoneal cavity to remove ascitic fluids or inject a therapeutic agent. This is most often done to remove excess fluid in a patient with cirrhosis of the liver. Called also abdominocentesis and peritoneocentesis.
Abstraction is the act of representing essential features without including the background details or explanations. In the computer science and software engineering domain, the abstraction principle is used to reduce complexity and allow efficient design and implementation of complex software systems.
At the top of the abstraction ladder are obscure terms and concepts that leave you in a fog; at the bottom is concrete language that people can visualize.You see a promo for a âvirtual knowledge transfer eventâ and then realize itâs a webinar.he abstraction ladder was developed by the late S.I. Hayakawa, a well-known professor of rhetoric at the University of California-Berkeley, a U.S. senator, and the author of the acclaimed book Language in Thought and Action.