Category: P
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Pastille
A sweet jelly with medication in it, which can be sucked to relieve a sore throat. A small paper disc covered with barium platinocyanide, which changes colour when exposed to radiation. A medicinal preparation containing gelatin and glycerin, usually coated with sugar, that is dissolved in the mouth so that the medication is applied to…
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Past history
Records of earlier illnesses.
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Pasteurise
To kill bacteria in food by heating it.
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Pasteurisation
The process of heating food or food products to destroy bacteria [After Louis Pasteur (1822-95), French chemist and bacteriologist].
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Pasteurella
A genus of parasitic bacteria, one of which causes the plague. A genus of small rodlike Gram-negative bacteria that are parasites of animals and man. The species P. pestis causes plague in man, and P. tularensis causes tularemia. A group of bacilli. They are essentially animal parasites that under certain conditions are transmitted to humans,…
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Paste
A medicinal ointment which is very thick and is spread or rubbed onto the skin. A medicinal preparation of a soft sticky consistency, which is applied externally. The term refers to dough, particularly one that contains a high proportion of shortening. This type of dough is commonly used in making puff pastries.
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Past
Referring to time which has passed.
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Passive movement
Movement of a limb or other body part by a doctor or therapist, not by the person. Movement not brought about by a patient’s own efforts. Passive movements are induced by manipulation of the joints by a physiotherapist. They are useful in maintaining function when a patient has nerve or muscle disorders that prevent voluntary…
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Pass away
Used to avoid saying ‘die’ (informal).
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Passage
A long narrow channel inside the body. The process of moving from one place to another. Evacuation of the bowels. The introduction of an instrument into a cavity. A channel between cavities and body structures or with the external surface of an organ. Inoculating a parasite into a host or introducing a saprobe into a…