Single function switches are the most commonly used adaptive switches. This type of switch performs one function (i.e., on/off) this switch has only one function - on or off. The switch may only be in one of the states at any one moment in time. Multiple function switches may perform two or more functions.
Echinocytes and keratocytes should be considered in the differential diagnosis of spur cell anemia. Echinocytes or burr cells are spiculated red blood cells with uniform, narrow, spikelike surface projections. Spur cells have fewer spicules, and the spicules vary more in size than echinocytes. Keratocytes are acanthocytelike cells with bizarre shapes and horny projections. Differential Diagnoses.
Moles, or nevi, are skin growths made up of cells called melanocytes or nevus cells. The average person has fewer than 40 moles.Moles can be flat or raised and can range in color from skin colored to light, medium, or dark brown (no particular type is better than another).typical nevi, also called dysplastic nevi or Clark's nevi, are acquired moles that have unusual features both in terms of how they look clinically and how they look when biopsied (removed and examined under a microscope).