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.
Juvenile idiopathic arthritis refers to a group of conditions involving joint inflammation (arthritis) that first appears before the age of 16.This condition is an autoimmune disorder, which means that the immune system malfunctions and attacks the body's organs and tissues, in this case the joints.nthesitis-related juvenile idiopathic arthritis is characterized by tenderness where the bone meets a tendon, ligament or other connective tissue. This tenderness, known as enthesitis, accompanies the joint inflammation of arthritis.