Category: A

A short-acting antihistamine drug, given by mouth to relieve the symptoms of allergic reactions. It is less irritating than the other antihistamines, but it produces their characteristic side-effects, such as drowsiness, dizziness, and incoordination.  

Shaped like a loop. The term is applied to certain lobules of the cerebellum.  

A loop; for example, the ansa hypoglossi is the loop formed by the descending branch of the hypoglossal nerve. In anatomy, any structure in the form of a loop or arc.  

An instrument for testing color discrimination. By adjusting the controls of the instrument the subject has to produce a mixture of red and green light to match a yellow light. The matching is done on a brightly illuminated disk viewed down a telescope. A device used to assess color perception (color blindness). The patient is…

The archetype that is the masculinity component of a female’s personality. An animating or energizing motive or intention.  

A synthetic narcotic analgesic drug, given by mouth or by injection to relieve pain or support anesthesia. It has the same uses, actions, and toxic effects at morphine. Drug dependence, with marked withdrawal symptoms, is easily produced by repeated administration.  

The abnormal absent of sweating, accompanying disease of occurring as a congenital defect.  

A decrease in the proportion of water, and therefore plasma, in the blood. The reduction or decrease in the fluid content of the blood.  

An enzyme that catalyzes the removal of water from a compound.  

A patchy inflammation of the walls of small blood vessels. It may result from a variety of conditions, including polyarteritis nodosa, acute nephritis, and serum sickness. Symptoms include skin rashes, arthritis, purpura, and kidney failure. In some cases treatment with cortisone derivatives may be beneficial.