Category: A

The wave produced after the action potential wave passes along a nerve. On the recording of the electrical activity, it will be either a negative or positive wave smaller than the main spike.  

Metabolic byproducts that would be harmful if allowed to accumulate, which are removed from the body by elimination. Carbon dioxide is exhaled from the lungs; undigested food and bile pigments are eliminated by the colon. The kidneys form urine and excrete nitrogenous wastes (e.g., urea and creatinine) and excess amounts of minerals (e.g., sodium chloride).…

A technique used in plastic surgery to repair a skin defect or to lengthen a scar as to release tension. A V-shaped incision is made, and the tissue at the apex of the V is placed on tension and advanced to create a straight limb of Y-shaped defect. The edges of the new wound are…

Vulvitis resulting from chafing of the opposed lips of the vulva or from accumulated sebaceous material around the clitoris.  

An analytical technique used to assay blood lead content.  

The ability to produce living young rather than producing young by laying an egg that hatches.  

A technique, still in the experimental stage, designed to make it possible for some persons who are blind to see as a result of electrical stimulation of the retina or the connection of digital video cameras to the visual cortex of the brain.  

A virus with reduced pathogenicity due to treatment or repeated passage through hosts.  

Behavior in which an individual demonstrates that he or she can be physically, emotionally, or sexually harmful to others.  

The part of the left ventricle of the heart just below the aortic valve.