Category: C

Chemical destruction of a part of the thalamus.  

A substance released by bacteria, injured tissue, and white blood cells that stimulates the movement of neutrophils and other white blood cells to the injured area. Complement factors 3a (C3a) and 5a (C5a), cytokines, leukotrienes, prostaglandins, and fragments of fibrin and collagen are common chemotaxins.  

A chemical that kills microorganisms.  

Any disorder of smell or taste, e.g., anosmia or ageusia.  

To the sensory detection of a chemical, especially by odor.  

Reacting to the action of a chemical or a change in chemical composition.  

Either of the two chemical senses of smell and taste.  

The resistance of a cell or microorganism to the expected actions of drugs or chemicals.  

Any involuntary response initiated by a chemical stimulus.  

The use of a drug or chemical to prevent a disease (e.g., the taking of an appropriate medicine by a traveler to prevent malaria).