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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «P»:

  1. Prostatodynia Prostatodynia
    Prostatodynia: A type of inflammation of the prostate not due to bacterial infection and in which there are no objective findings, such as the presence of infection-fighting cells, in the urine of men who suffer from the disease. The prostate is a walnut-sized organ below the male bladder that surro...
  2. Prostheses Prostheses
    Prostheses: More than one prosthesis. See: Prosthesis....
  3. Prosthesis Prosthesis
    Prosthesis: An artificial substitute or replacement of a part of the body such as a tooth, eye, a facial bone, the palate, a hip, a knee or another joint, the leg, an arm, etc. A prosthesis is designed for functional or cosmetic reasons or both. A prosthesis may be removable, as in the case of m...
  4. Prosthesis, auditory Prosthesis, auditory
    Prosthesis, auditory: See: Auditory prosthesis....
  5. Prosthesis, cleft palate Prosthesis, cleft palate
    Prosthesis, cleft palate: See: Cleft palate prosthesis....
  6. Prosthesis, nasal Prosthesis, nasal
    Prosthesis, nasal: See: Nasal prosthesis....
  7. Prosthesis, ocular Prosthesis, ocular
    Prosthesis, ocular: See: Ocular prosthesis....
  8. Prosthetic Prosthetic
    Prosthetic: Referring to a prosthesis, an artificial substitute or replacement of a part of the body such as a tooth, eye, a facial bone, the palate, a hip, a knee or another joint, the leg, an arm, etc. A prosthesis is designed for functional or cosmetic reasons or both. A prosthesis may be rem...
  9. Prosthetics Prosthetics
    Prosthetics: The art and science of developing artificial replacements for body parts. Depending on the type of prosthesis, prosthetics may be built and fitted/implanted in a hospital (as in the case of an artificial knee joint), or by an outside specialist. Post- mastectomy prosthetics, for exa...
  10. Prosthodontist Prosthodontist
    Prosthodontist: A dentist with special training in making replacements for missing teeth or other structures of the oral cavity to restore the patient's appearance, comfort, and/or health. The American College of Prosthodontists states : "Prosthodontists are dental specialists in the restoration a...
  11. Protean Protean
    Protean: Very variable; easily changing; or continually changing. Protean is not to be confused with protein (a member of a large group of chemicals necessary to and found in all living things). Protean refers to Proteus, the mythologic master of disguise. According to the ancient Greeks, Proteus w...
  12. Protease Protease
    Protease: An enzyme that can split a protein into peptides (from which the protein was originally created). ...
  13. Protease inhibitor Protease inhibitor
    Protease inhibitor: One of a class of anti-HIV drugs designed to inhibit the enzyme protease and thereby interfere with virus replication. Protease inhibitors prevent proteases from splitting proteins into peptides. Protease inhibitors prevent the cleavage of HIV precursor proteins into active pro...
  14. Proteasome Proteasome
    Proteasome: A protein degradation "machine" within the cell that can digest a variety of proteins into short polypeptides and amino acids. The proteasome is itself made up of proteins. It requires ATP to work. It is hollow and has openings at both ends to allow entry of the protein to be digested. ...
  15. Protein Protein
    Protein: A large molecule composed of one or more chains of amino acids in a specific order determined by the base sequence of nucleotides in the DNA coding for the protein. Proteins are required for the structure, function, and regulation of the body's cells, tissues, and organs. Each protein has ...