(interj.) An exclamation expressing, by different intonations, triumph, mixed with derision or irony, or simple surprise.
(n.) A sunk fence. See Ha-ha.
Example Sentences:
(1) The coding sequence for Spirulina platensis acetohydroxy acid synthase (AHAS, EC 4.1.3.18) is shown to be contained within a 4.2 Kb ClaI fragment (ilvX) that has been cloned from a recombinant lambda library.
(2) The acetohydroxy acid synthase (AHAS) isozymes from enterobacteria are each composed of a large and small subunit in an alpha 2 beta 2 structure.
(3) The potency of L-valine as an inhibitor of Zea mays acetohydroxyacid synthase (AHAS) is increased more than 8000-fold on conversion to its N-phthalyl anilide derivative which is active at 2 microM.
(4) Evidence is presented that suggests the presence of multiple genetic regions for synthesis and control of the valine-sensitive AHAS activity.
(5) The mutant strain, growing in minimal medium, exhibits a partial growth limiatation and derepression of AHAS, owing to deficient synthesis of isoleucine.
(6) Autoimmune hemolytic anemia (AHA) is uncommon in childhood.
(7) The subjects who were older and had higher levels of plasma LDL cholesterol and total fat intake at baseline experienced better plasma LDL cholesterol response to the AHA diet.
(8) AHA axons staying ventral projected to the supramammillary region, ventral tegmental area, raphe nuclei and midbrain reticular formation.
(9) The glutamic acid (Glu) concentration was significantly higher in AHa (p less than 0.02), CAH (p less than 0.001) and CPH (p less than 0.001) and the tyrosine (Tyr) concentration was significantly higher in AHa (p less than 0.02), CPH (p less than 0.001), CAH (p less than 0.001) and LC (p less than 0.001) than they were in the controls.
(10) The surgical group showed a significantly higher humoral immune response than the AMI group when analyzed for AHA and anti-contractile protein antibodies.
(11) Whereas medial PO-AHA lesions were associated with normal body length and weight and evidence of estrogen secretion, anterior hypothalamic cuts produced increased linear growth and body weight and signs of functional castration.
(12) SPECT images were compared with left ventriculography (LVG); vertical long-axial ECT images with segments 1-5 of LVG by the AHA classification, and horizontal ECT long-axial images with segments 6 and 7 of LVG, respectively.
(13) "A ban on sales of alcohol below the cost of duty plus VAT will affect less than 1% of products sold in shops and off-licences," said Dr Vivienne Nathanson, director of professional activities for the British Medical Association, an AHA member.
(14) Inhibition of the enzyme and of root growth by the valine derivatives may result from binding at or near the site involved in feedback control of AHAS by L-valine.
(15) Discrete lesions in the anterior hypothalamus (AHA) of the guinea pig brain reduce the anaphylactic contraction of the trachea in vitro after active in vivo sensitization by 40%.
(16) And then I thought, aha, when it comes to shooting my close-ups, I won't move, so he won't be able to cut it in.
(17) Medial but not lateral PO-AHA lesions caused elevated nonstress plasma GH levels at 2, 14, 17, and 23 weeks after surgery, but normal levels were obtained at autopsy at 27 weeks.
(18) Evaluation of urinary excretion data suggests that patients with compromised renal function have low recoveries of AHA in the urine.
(19) In cultures where both IgM AHA and total IgM secretion were measured, a much greater T cell dependence for AHA production was apparent.
(20) AHA positivity was unrelated to the type of joint involvement, disease activity, and drug regimen.