nicking

nicking
Localized constrictions in retinal blood vessel s.
- arteriovenous n. constriction of a retinal vein at an artery-vein crossing.

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nick·ing 'nik-iŋ n localized constriction of a retinal vein by the pressure from an artery crossing it seen esp. in arterial hypertension

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nick·ing (nikґing) localized constrictions in the retinal blood vessels seen in arterial hypertension.

Medical dictionary. 2011.

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  • Nicking — Nick ing, n. [From {Nick}, v. t.] (Coal Mining) (a) The cutting made by the hewer at the side of the face. (b) pl. Small coal produced in making the nicking. [1913 Webster] …   The Collaborative International Dictionary of English

  • Nicking — Nick Nick, v. t. [imp. & p. p. {Nicked} (n[i^]kt); p. pr. & vb. n. {Nicking}.] 1. To make a nick or nicks in; to notch; to keep count of or upon by nicks; as, to nick a stick, tally, etc. [1913 Webster] 2. To mar; to deface; to make ragged, as by …   The Collaborative International Dictionary of English

  • Nicking enzyme amplification reaction — (NEAR) is a method for in vitro DNA amplification like the polymerase chain reaction (PCR). NEAR is isothermal, replicating DNA at a constant temperature using a polymerase (and nicking enzyme) to exponentially amplify the DNA at a temperature… …   Wikipedia

  • Nicking enzyme — A nicking enzyme (or nicking endonuclease) is an enzyme that cuts one strand of a double stranded DNA at a specific recognition nucleotide sequences known as a restriction site. Such enzymes hydrolyse, cut, only one strand of the DNA duplex, to… …   Wikipedia

  • nicking — nɪk n. small cut; chip; notch; jail (British Slang); pinch, steal (British) v. cut slightly; chip; make a notch in; steal, pinch (British Slang); demand price; arrest (British Slang) …   English contemporary dictionary

  • nicking — nick·ing …   English syllables

  • NICKING — …   Useful english dictionary

  • AV nicking — AV, or atreovenous nicking is the phenomenon where, on ophthalmologic examination, an arteriole is seen crossing a venule resulting in impaction of the vein with bulging on either side of the crossing. This is most commonly seen in hypertensive… …   Wikipedia

  • Nick — Nick, v. t. [imp. & p. p. {Nicked} (n[i^]kt); p. pr. & vb. n. {Nicking}.] 1. To make a nick or nicks in; to notch; to keep count of or upon by nicks; as, to nick a stick, tally, etc. [1913 Webster] 2. To mar; to deface; to make ragged, as by… …   The Collaborative International Dictionary of English

  • Nicked — Nick Nick, v. t. [imp. & p. p. {Nicked} (n[i^]kt); p. pr. & vb. n. {Nicking}.] 1. To make a nick or nicks in; to notch; to keep count of or upon by nicks; as, to nick a stick, tally, etc. [1913 Webster] 2. To mar; to deface; to make ragged, as by …   The Collaborative International Dictionary of English

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