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.
Arthritis can keep jo ints from working properly. But isn't arthritis something that only old people get? Actually, kids can get a kind of arthritis called juvenile idiopathic arthritis or JIA (it's also called juvenile rheumatoid arthritis, or JRA). Juvenile means young, so this means that JIA is different from the arthritis that adults get. Kids can have many different types of arthritis, but JIA is the most common. Many problems can cause pain and swelling of the joints, so a doctor will want to know how long these problems have been going on.