mismatch

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mismatch

Informatics
See Language mismatch, Logic mismatch.
 
Molecular biology
A defect in the pairing of two complementary DNA sequences where a base in one strand differs from that expected (according to complementarity) with the other.
 
Neurophysiology
A ratio of neurotransmitter to neuroreceptor that differs from the expected 1:1.
 
For example, high concentrations of neuroreceptors for substance P are found in the neocortex and hippocampus, even though the neurotransmitters themselves are in low concentrations. The mismatch phenomenon implies the presence of another system(s) of cell communication, which may have a role in non-synaptic interaction among cells.
 
Pulmonology
A marked difference between ventilation (V) and perfusion (Q) on a V/Q scan, a finding typical of pulmonary embolism.

mismatch

Pulmonology A marked difference between ventilation–V and perfusion–Q on V/Q scan, typical of PTE. See Pulmonary thromboembolism, V/Q scan.
References in periodicals archive ?
At 10 bases, mismatched templates had rates between 190 and 208 nt/s/poly, comparable to that of the match.
Polny also feels that rocking mismatched earrings shows one's personality.
A similar situation has been observed over the field of study mismatch, where both the moderate and complete fields of study matched graduates are more satisfied than the mismatched ones.
But this approach can benefit mismatched transplantation by optimizing donor-recipient matching and selecting permissible HLA mismatches with low immunogenic potential in order to minimize the appearance of DSA.
4.9 mGy for mismatched patients with large breasts (P value less than.05).
Central banking as a lender of last resort reduces the roll-over risk for maturity mismatched banks, including the risk of holding fractional reserves.
Imbalances in strength, mismatched forces, inappropriate actions of assistance (synergistic) muscle contractions and excessive actions of opposing (antagonistic) muscle contractions can cause such disruptions in biomechanics of the body.
An investigation of the degree of academic achievement evidenced when second grade, learning disabled students' perceptual preferences are matched and mismatched with complementary sensory approaches to beginning reading instruction (Doctoral dissertation, St.
School leavers with less qualifications are more likely to be mismatched (40% on average) than those leaving university (30% on average).
Our research objective was to form a stable triplex structure within a mismatched region of duplex DNA.
Seventy-three postgraduate students were asked to create Web pages using HTML, using instructional materials that were either matched or mismatched with their cognitive styles.
The media tycoon, 35, and his 18-year-old former pop star bride got 58 per cent of the votes as Most Mismatched Celebrity Couple in a survey by the magazine best.