The small joints of the hands.
D000328:Adult; D001172:Arthritis, Rheumatoid / Q000503:physiopathology; D004582:Electronics, Medical; D005260:Female; D005384:Finger Joint / Q000502:physiology / Q000503:physiopathology; D006225:Hand / Q000502:physiology* / Q000503:physiopathology; D006801:Humans; D007596:Joints / Q000502:physiology* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009068:Movement; D012399:Rotation; D013933:Thumb / Q000502:physiology / Q000503:physiopathology