However, the two parts of a binomial name can each be derived from a number of sources, of which Latin is only one. These include: 1  Latin, either classical or medieval. 2  Thus both parts of the binomial name Homo sapiens are Latin words, meaning wise (sapiens) human/man (Homo).
Juvenile rheumatoid arthritis (JRA), often referred to by doctors today as juvenile idiopathic arthritis (JIA), is a type of arthritis that causes joint inflammation and stiffness for more than six weeks in a child aged 16 or younger.It affects approximately 50,000 children in the United States.uvenile rheumatoid arthritis (JRA), often referred to by doctors today as juvenile idiopathic arthritis (JIA), is a type of arthritis that causes joint inflammation and stiffness for more than six weeks in a child aged 16 or younger. It affects approximately 50,000 children in the United States.
Some types of juvenile rheumatoid arthritis can cause serious complications, such as growth problems and eye inflammation. Treatment of juvenile rheumatoid arthritis focuses on controlling pain, improving function and preventing joint damage. 1  Symptoms.