- anal margin carcinoma [DOID:4284]
An anal carcinoma that has_material_basis_in abnormally proliferating cells derives_from epithelial cells and is located_in the anal margin (where the canal meets the outside skin at the anus).
- myotonia congenita [DOID:2106]
A muscle tissue disease that is characterized by slow muscle relaxation associated with hyperexcitation of the muscle fibres.