This chart gives dimensional-size data for American National Standard Schedule 40 Welded and Seamless Steel Pipe. Related: 1  Schedule 80 Steel Pipe Sizes & Dimensions ANSI. 2  Schedule 40 Plastic PVC, CPVC Pipe Sizes & Dimensions.
Juvenile Rheumatoid Arthritis definition, categories, type and other relevant information provided by All Acronyms. JRA stands for Juvenile Rheumatoid Arthritis Search for acronyms, abbreviations,
Types of Juvenile Rheumatoid Arthritis. Pauciarticular (paw-see-are-tick-you-lar) means that four or fewer joints are involved. This is the most common form of JRA; about half of all children with JRA have this type. It typically affects large joints, such as the knees. Girls under age 8 are most likely to develop this type of JRA.