The inferior part of the lower extremity between the KNEE and the ANKLE.
Legs
D007871
Leg Ulcer
Ulceration of the skin and underlying structures of the lower extremity. About 90% of the cases are due to venous insufficiency (VARICOSE ULCER), 5% to arterial disease, and the remaining 5% to other causes.
Leg Ulcers,Ulcer, Leg,Ulcers, Leg
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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.
Rheumatoid Arthritis
D014456
Ulcer
A lesion on the surface of the skin or a mucous surface, produced by the sloughing of inflammatory necrotic tissue.