a recognition that genres are situated within discourse communities, wherein the beliefs and naming practices of members have relevance an emphasis on communicative purpose and social action an interest in generic structure (and its rationale)
Because of the potential implication of circulation disorders, darkened skin around the ankles that is not immediately explainable by simple environmental factors should be promptly called to the attention of a medical doctor for appropriate diagnosis and treatment.
Acanthosis nigricans, a condition caused by elevated blood insulin levels, is also characterized by patches of skin that are noticeably dark and rough, according to the MayoClinic.com. The most commonly affected skin is on the neck, armpits and groin, but it may affect lower calf skin and other areas of the body.