Perez' sign |
<clinical sign> Rales audible over the upper part of the chest when the arms are alternately raised and lowered; common in cases of fibrous mediastinitis and also of aneurysm of the aortic arch. (05 Mar 2000) |
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Perez, Bernard |
<person> French physician, 1836-1903. See: Perez reflex. (05 Mar 2000) |
Perez, George |
<person> Spanish physician, +1920. See: Perez' sign. (05 Mar 2000) |
perfect |
1. Brought to consummation or completeness; completed; not defective nor redundant; having all the properties or qualities requisite to its nature and kind; without flaw, fault, or blemish; without error; mature; whole; pure; sound; right; correct. "My strength is made perfect in weakness." (2 Cor. Xii. 9) "Three glorious suns, each one a perfect sun." (Shak) "I fear I am not in my perfect mind." (Shak) "O most entire perfect sacrifice!" (Keble) "God made thee perfect, not immutable." (Milton) 2. Well informed; certain; sure. "I am perfect that the Pannonains are now in arms." (Shak) 3. <botany> Hermaphrodite; having both stamens and pistils; said of flower. Perfect cadence, a concord or union of sounds which is perfectly coalescent and agreeable to the ear, as the unison, octave, fifth, and fourth; a perfect consonance; a common chord in its original position of keynote, third, fifth, and octave. <mathematics> Perfect number, a tense which expresses an act or state completed. Synonym: Finished, consummate, complete, entire, faultless, blameless, unblemished. Origin: OE. Parfit, OF. Parfit, parfet, parfait, F. Parfait, L. Perfectus, p.p. Of perficere to carry to the end, to perform, finish, perfect; per (see Per-) + facere = to make, do. See Fact. Source: Websters Dictionary (01 Mar 1998) |
perfect flower |
<botany> A flower with both essential and accessory organs. (13 Nov 1997) |
perfect stage |
A mycological term used to describe the sexual life cycle phase of a fungus in which spores are formed after nuclear fusion. Synonym: teleomorph. (05 Mar 2000) |
perfect state |
In fungi, that portion of the life cycle in which spores are formed after nuclear fusion. (05 Mar 2000) |
perfection |
1. The quality or state of being perfect or complete, so that nothing requisite is wanting; entire development; consummate culture, skill, or moral excellence; the highest attainable state or degree of excellence; maturity; as, perfection in an art, in a science, or in a system; perfection in form or degree; fruits in perfection. 2. A quality, endowment, or acquirement completely excellent; an ideal faultlessness; especially, the divine attribute of complete excellence. "What tongue can her perfections tell?" (Sir P. Sidney) To perfection, in the highest degree of excellence; perfectly; as, to imitate a model to perfection. Origin: F. Perfection, L. Perfectio. Source: Websters Dictionary (01 Mar 1998) |
perfectionism |
A tendency to set rigid high standards of performance for oneself. (05 Mar 2000) |
perflation |
Blowing air into or through a cavity or canal in order to force apart its walls or to expel any contained material. Origin: L. Per-flo, pp, -flatus, to blow through (05 Mar 2000) |
perflubron |
Generic name for perfluorooctyl bromide. (05 Mar 2000) |
perfluorooctyl bromide |
A bromine-substituted fluorocarbon, prepared as a particulate emulsion, used as a CT, MR, and ultrasound contrast medium. Acronym: PFOB (05 Mar 2000) |
perfoliate |
Of a sessile leaf or bract, having its base completely wrapped around the stem. (09 Oct 1997) |
perforans |
A term applied to several muscles and nerves which, in their course, perforate other structures. Origin: L. Perforating (05 Mar 2000) |
perforant pathway |
A pathway of fibres originating in the lateral part of the entorhinal area, perforating the subiculum of the hippocampus, and running into the stratum moleculare of the hippocampus, where these fibres synapse with others that go to the dentate gyrus. It is also called the perforating fasciculus. (12 Dec 1998) |