A region of the lower extremity immediately surrounding and including the KNEE JOINT.
D004550
Elbow
Region of the body immediately surrounding and including the ELBOW JOINT.
D005385
Fingers
Four or five slender jointed digits in humans and primates, attached to each HAND.
Finger
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001172
Arthritis, Rheumatoid
A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated.