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.
Different Types of Juvenile Rheumatoid Arthritis. There are three kinds. Each type is based on the number of joints involved, the symptoms, and certain antibodies that may be in the blood. Four or fewer joints are involved. Doctors call this pauciarticular JRA. Itâs the most common form. About half of all children with juvenile rheumatoid arthritis have this type. It usually affects large joints like the knees. Girls under age 8 are most likely to get it.