What does Medical JIA stand for? Hop on to get the meaning of JIA. The Medical Acronym /Abbreviation/Slang JIA means Juvenile Idiopathic Arthritis. by AcronymAndSlang.com
Staff (music) In standard Western musical notation, the staff, or stave, [1] is a set of five horizontal lines and four spaces that each represent a different musical pitchâor, in the case of a percussion staff, different percussion instruments.
1 A symbol found on a musical staff that indicates the pitches indicated by the lines and the spaces on the staff. 2  alto clef. 3  bass clef. 4  C clef. 5  F clef. 6  G clef. 7  tenor clef.  treble clef.