Glossary index
Medical terms beginning with P
Browse medical definitions and meanings in the complete glossary, or choose a letter to narrow the list.
751 medical terms in this glossary begin with the letter P, from psychiatrist onward. Every entry gives a plain-language definition, and most add a pronunciation, the word parts it is built from, and related terms.
This is also the place to look for medical words, health words, anatomy terms and disease names starting with P.
P terms
751 results-
A medical doctor who specializes in the prevention, diagnosis, and treatment of mental, emotional, and behavioral disorders.
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Mind and body do not run in separate lanes, which is why an evaluation weighs the psychological account alongside the physical one.
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A specialist who can talk with patients and their families about emotional and personal matters, and can help them make decisions.
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Loss of insight is what makes psychosis distinctive, since the experiences feel entirely real from the inside rather than obviously mistaken.
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Describes the psychological, social, and spiritual aspects of human activity, such as the care of people with a disease.
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A drug class named for what it does to alertness, familiar from coffee at one end and controlled prescriptions at the other.
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Treatment of mental, emotional, personality, and behavioral disorders using methods such as discussion, listening, and counseling.
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Seed husks that soak up water and turn stool into a soft gel, working by physics rather than by prodding the bowel.
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A substance being studied in the treatment of cancer, including certain types of lung, pancreas, and brain cancer.
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PTC uses a needle placed through the liver to inject contrast and x-ray the bile ducts, most often to locate a blockage.
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A procedure to drain bile to relieve pressure in the bile ducts caused by a blockage.
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The letters record where it was found rather than what it does, and its real target is a fat, not a protein.
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A protein that helps control many cell functions, including cell division and cell death.
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PTH is a hormone that raises blood calcium by acting on bone, kidney, and the intestine, with abnormal levels signaling gland disease.
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A substance that is being studied in the treatment of cancer.
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Epstein-Barr virus sits behind most cases, held in check by an immune system that transplant medication has deliberately turned down.
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Ptosis is a drooping of the upper eyelid that can be present from birth or develop later from nerve, muscle, or structural causes.
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An anxiety disorder that develops in reaction to physical injury or severe mental or emotional distress, such as military combat, violent assault, natural disaster, or other life-threatening events.
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A cancer vaccine containing plasmid DNA encoding human prostatic acid phosphatase (PAP) (pTVG-HP) with potential immunostimulatory and antineoplastic activities.
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Puberty is the hormonally driven stage of physical development that transitions a child's body toward adult reproductive capability.
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Pulmonary findings and conditions concern the lungs and their airways, spanning normal respiratory function to serious lung disease.
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Breathlessness that worsens on lying flat is the classic clue, because fluid redistributes toward the lungs when a person lies down.
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A test used to measure how well the lungs work.
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Education about behavior and lifestyle changes to help patients with chronic lung disease decrease breathing problems, return to daily activities, and improve quality of life.
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The doctor called in when breathlessness, a cough or an abnormal chest scan outlasts what general medicine can explain.
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A type of lung cancer that begins in the upper part of a lung and spreads to nearby tissues such as the ribs and vertebrae.
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A doctor who specializes in treating diseases of the lungs.
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(Other name for: dornase alfa inhalation solution)
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A pump is a device that delivers a controlled amount of fluid at a set rate, used for drugs, nutrients, or other body fluids.
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Removal of a small disk-shaped sample of tissue using a sharp, hollow device.
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Not a structure but an absence: a hole whose width two opposing muscles adjust, and one of the most watched signs in an unconscious person.
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Half the alphabet of the genetic code, and the reason uric acid builds up and triggers a gout attack.
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(Other name for: mercaptopurine)
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(Other name for: tin ethyl etiopurpurin)
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Trifolium pratense.
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A prairie wildflower turned cold remedy, and a case study in why trials of an herb disagree when every preparation differs.
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A type of photodynamic therapy used to treat skin conditions such as psoriasis, vitiligo, and skin nodules of cutaneous T-cell lymphoma.
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An injectable ten percent solution of rose bengal disodium, an iodinated fluorescein derivative, with potential antineoplastic and radiosensitizing activities.
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An attenuated, replication-competent, oncolytic strain of Newcastle disease virus.
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An embolic material composed of microspheres of polyvinyl alcohol (PVA) polymers.
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A cancer vaccine containing xenogenic DNA from rhesus macaque (Macaca mulatta) that encodes prostate specific antigen (PSA) with potential immunostimulating and antineoplastic activities.
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A topical formulation consisting of a polyvinylidene fluoride (PVDF) polymer resin containing the macrolide sirolimus (rapamycin), produced by the organism Streptomyces hygroscopicus, with…
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A substance being studied in the treatment of cancer.
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A congener of pyridine 2-diazohydroxide.
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A nucleoside analog.
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A 9-methoxy acridine compound containing a reducible 5-nitro substituent.
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Because pyridoxine is water soluble, the body does not store large reserves of it, making regular dietary intake necessary to prevent deficiency.
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Pyridoxine hydrochloride is a stable salt form of vitamin B6, converted in the body into an active coenzyme needed for amino acid metabolism.
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A synthetic derivative of ethyl-pyrimidine with potent antimalarial properties.
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Pyrimidines are single-ring nitrogen-containing bases, including cytosine, thymine, and uracil, that pair with purines to form the rungs of DNA and RNA.
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A synthetic derivative of hydroxamic acid with antineoplastic properties, Pyroxamide inhibits histone deacetylases involved in transcription; induces hyperacetylation of core histones, modulating…