Category: P

A rebound effect in which the parasympathetic system responds above its normal level after the inhibition from its sympathetic antagonist is suddenly removed.  

Parasympathetic nervous system.    

Many-celled animals that live in humans causing illness, e.g., pinworms and flukes.  

An herbicide or plant killer that has been used to eradicate marijuana plants. The chemical compound dimethyl dipyridilium, widely used as a weedkiller. When swallowed it exerts its most serious effects upon the lungs, the tissues of which it destroys after a few days. Paraquat poisoning is almost invariably fatal. A contact herbicide widely used…

A term referring to schizophrenia in an older adult. A dated term for a mental disorder involving delusions without severe personality deterioration. A mental disorder characterized by systematic delusions and prominent hallucinations but without any other marked symptoms of mental illness. The only loss of contact with reality is in areas affected by the delusions…

The relation between two sentences whose meanings are essentially the same but whose surface structures differ.  

In the area of the drug culture, equipment used in the taking of drugs, including syringes, pipes, scales, and mirrors.  

A psychotic condition characterized by the person responding inadequately to situations, the responses including affective reactions and progressive disorganized associations. The person attempts to maintain self-esteem by carrying these reactions to an extreme.  

A type of schizophrenia characterized by dissociation, particularly between the intellectual processes and the affective dimension, disorganization with auditory and visual hallucinations, and paranoid delusions. A form of schizophrenia in which the person believes he or she is being persecuted. A type of schizophrenic disorder characterized by delusions of persecution, grandiosity, jealousy, or hallucinations with…