English dictionary of medical terms (72)
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- No:1420 - prosthesis
(Gr. 'a putting to') an artificial substitute for a missing body
part, such as an arm or leg, eye or tooth, used for functional or
cosmetic reasons, or both.
- No:1421 - protease
proteinase (= any enzyme that catalyses the splitting of interior
peptide bonds in a protein).
- No:1422 - protective
(L. protegere to cover over) an agent that affords defense against
a deleterious influence, such as a substance applied to the skin
(skin p.) to avoid the effects of the sun's rays (solar p.) or
other noxious influences; called also screen.
- No:1423 - protein
(Gr. protos first) any of a group of complex organic compounds
which contain carbon, hydrogen, oxygen, nitrogen, and usually
sulphur, the characteristic element being nitrogen, and which are
widely distributed in plants and animals. Proteins, the principal
constituents of the protoplasm of all cells, are of high molecular
weight and consist essentially of combinations of a-amino acids in
peptide linkages. Twenty different amino acids are commonly found
in proteins, and each protein has a unique, genetically defined
amino acid sequence which determines its specific shape and
function. They serve as enzymes, structural elements, hormones,
immunoglobulins, etc., and are involved in oxygen transport, muscle
contraction, electron transport, and other activities throughout
the body, and in photosynthesis.
- No:1424 - proteolytic
1. pertaining to, characterized by, or promoting proteolysis. 2.
an enzyme that promotes proteolysis (= the splitting of proteins by
hydrolysis of the peptide bonds with formation of smaller
- No:1425 - prothrombin
(pro + Gr. thrombos cloth -in chemical suffix) Factor II.
- No:1426 - protozoan
1. any individual of the protozoa; protozoon. 2. of or pertaining
to the protozoa; protozoal.
- No:1427 - protrusion
(L. protrudere to push forward) the state of being trust forward or
laterally, as in masticatory movements of the mandible.
- No:1428 - proximal
- (L. proximus next) nearest; closer to any point of reference;
opposed to distal.
- No:1429 - pruritic
pertaining to or characterized by pruritus.
- No:1430 - pruritus
(L. from prurire to itch) 1. itching; an unpleasant cutaneous
sensation that provokes the desire to rub or scratch the skin to
obtain relief. 2. any of various conditions marked by itching,
the specific site or type being indicated by a modifying term.
- No:1431 - pseudomenbranous
marked by or pertaining to a pseudomembrane.
- No:1432 - pseudotumour
an enlargement that resembles a tumour.
- No:1433 - psoriasis
(Gr. psoriasis) a common chronic, squamous dermatosis, marked by
exacerbations and remissions and having a polygenic inheritance
pattern. The most distinctive histological findings in well-developed psoriasis are Munro
microabscesses and spongiform
pustules. It is characterized clinically by the presence of
rounded, circumscribed, erythematous, dry scaling patches of
various sizes, covered by greyish white or silvery white,
umbilicated, and lamellar scales, which have a predilection for
the extensor surfaces, nails, scalp, genitalia, and lumbosacral
region. Central clearing and coalescence of the lesions produce a
wide variety of clinical configurations, including annular or
circinate, discoid or nummular, figurate, and gyrate arrangements.
Called also p. vulgaris
- No:1434 - psychiatric
pertaining to or within the purview of psychiatry.
- No:1435 - psychic
pertaining to the psyche or to the mind; mental.
- No:1436 - psychogenic
produced or caused by psychic or mental factors rather than organic
- No:1437 - psycholeptic
of or relating to psycholepsy; that is an attack of hopelessness
and mental inertia especially following elation and occurring
typically in psychasthenic (= characterologically weak) patients.
- No:1438 - psychologic, psychological
pertaining to psychology.
- No:1439 - psychomotor
pertaining to motor effects of cerebral or psychic activity.
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