Category: P

Any degenerative disease of the periodontal tissues.  

A condition characterized by inflammation accompanied by degenerative and retrogressive changes in the periodontium.  

A chart with the chemical elements arranged by their atomic numbers. A structured diagram that organizes elements in both vertical and horizontal groups, known as a periodic table. The vertical grouping illustrates elements sharing similar chemical properties, whereas the horizontal grouping categorizes elements based on the number of electron shells surrounding the atomic nucleus, despite…

Jerking or twitching of the toes, ankles, knees, or hips during sleep.  

A health screening examination performed on a scheduled or routine basis. The appropriate features of this examination depend on the patient’s age, gender, and sometimes health history, family history, or employment status. Adult women, for example, should have periodic examinations, including Pap smears and professional breast examinations, whereas professional pilots and truckers are screened periodically…

An inherited form of schizophrenia characterized by psychomotor disturbances, including grimacing, stereotyped body movements, and hyperkinetic movements alternating with mutism, staring, and body posturing. Susceptibility to this condition has been linked to genes on chromosome 15.  

A method of birth control in which a couple tries to avoid pregnancy by refraining from sexual intercourse during certain times within the menstrual cycle.  

The short period in systole beginning with closing of the atrioventricular valves and ending with opening of the valves connecting the right and left ventricles to the pulmonary artery and aorta, respectively.  

The short period in diastole when the ventricles are relaxed and no blood is entering. This lasts until the atrioventricular valves open.  

Inflammation of the sheath enveloping nerve fibers.