(v. t.) To act in opposition to; to hinder, defeat, or frustrate, by contrary agency or influence; as, to counteract the effect of medicines; to counteract good advice.
Example Sentences:
(1) The origins of aging of higher forms of life, particularly humans, is presented as the consequence of an evolved balance between 4 specific kinds of dysfunction-producing events and 4 kinds of evolved counteracting effects in long-lived forms.
(2) Conversely, rat galanin increased unstimulated glucagon output (approximately 20%, P less than 0.05), potentiated the glucagon response to arginine (approximately 50%, P less than 0.05) and VIP (approximately 90%, P less than 0.05), and counteracted the suppressor effect of glucose on alpha-cell secretion.
(3) This inhibition is counteracted by the somewhat slower increase of NE turnover resulting in normalization of LH levels.
(4) These results suggest that CPZ interacts with smg p21B, smg GDS, or both, and thereby inhibits the smg GDS action, and that CPZ also interacts with the acidic phospholipids and thereby counteracts their inhibitory effect on the smg GDS action.
(5) Extracts from arrested cells counteracted the stimulating effects of extracts from proliferating cells with kinetics suggesting competitive interaction between stimulating and inhibitory factors.
(6) Acetylcholine increases their turnover, Atropine reduces it, and the addition of atropine counteracts the effect of acetylcholine in all these phospholipids.
(7) Whether they affect ureteral motility in vivo or whether they can counteract ureteral spasm associated with ureteral stones have not been established.
(8) Metoclopramide did not counteract the apomorphine effect and, in higher doses, water intake was even further reduced.
(9) This effect increases with the estrogen dose and is counteracted more effectively by androgenic progestogens such as levonorgestrel than by nonandrogenic progestogens such as desogestrel.
(10) PGE2 counteracted the NA-effect in the former group of patients but did not affect the influence of NA at term.
(11) Addition of heme in vitro (10(-6)M) to the latter nuclei results in a significant counteraction of the decreased cytochrome P-450 (c + d) mRNA transcription.
(12) Two functions of these have been proposed: 1) that they are compatible osmolytes which regulate cell volume (against high external NaCl) without inhibiting proteins and 2) that methylamines (GPC and betaine) are counteracting osmolytes which stabilize proteins against perturbation from high renal urea.
(13) For this rather large pressures (about 700 hPa) are required to overcome the surface forces counteracting droplet formation.
(14) The drop in the blood-sugar levels was counteracted by corresponding infusions of glucose by the BIOSTATOR via a special clamp technique.
(15) In the wild strain (Em 5297a) thiourea is tenfold more toxic on an allantoin medium than on an inorganic nitrogen medium; allantoin as well as urea counteract thiourea toxicity in the allantoin nitrogen medium.
(16) Retinal traction can be counteracted by the oil up to a calculated threshold value, depending on the size and shape of the tear, the strength of the surface tension and, most importantly, the distance between the retina and choroid.
(17) Some of the changes found may be a result of adaptive mechanisms occurring in order to counteract the different biophysical effects of ethanol.
(18) This study evaluates whether suturing of replaced flaps with crown-attached sutures, following reconstructive surgery, counteracts postoperative recession of the gingival margins and facilitates new attachment.
(19) In the present article is shown that the histamine releasing effect is counteracted by the addition of histamine to the superfusion fluid.
(20) This barrier effect was partially counteracted by monensin or carbonyl cyanide m-chlorophenylhydrazone.
Counterpart
Definition:
(n.) A part corresponding to another part; anything which answers, or corresponds, to another; a copy; a duplicate; a facsimile.
(n.) One of two corresponding copies of an instrument; a duplicate.
(n.) A person who closely resembles another.
(n.) A thing may be applied to another thing so as to fit perfectly, as a seal to its impression; hence, a thing which is adapted to another thing, or which supplements it; that which serves to complete or complement anything; hence, a person or thing having qualities lacking in another; an opposite.
Example Sentences:
(1) (E)-5-(2-Bromovinyl)uridine (BVUrd), the riboside counterpart of (E)-5-(2-bromovinyl)-2'-deoxyuridine (BVdUrd), effected a dose-dependent inhibition of viral progeny formation and viral DNA synthesis in herpes simplex virus type 1 (HSV-1, strain KOS)-infected human (E6SM) diploid fibroblast cells.
(2) Combinations of YM534 with other anti-cancer agents were examined to ascertain whether YM534 potentiated other anti-cancer agents against the KB cell line and its multidrug-resistant counterpart, VJ-300.
(3) In comparison with native counterparts, the in vitro-formed LDL2 and HDL + VHDL were characterized by lower levels of triglyceride and cholesterol ester and higher levels of free cholesterol and lipid phosphorus.
(4) Israel’s president has told his Mexican counterpart that he was “sorry for the hurt” over a tweet in which the prime minister, Benjamin Netanyahu, appeared to praise Donald Trump’s plans to build a wall on the US-Mexican border.
(5) In the UK the twin threat of Ukip and the BNP tap into similar veins of discontent as their counterparts across the English channel.
(6) How can the interaction between theoretical neuroscientists and their experimental counterparts be improved?
(7) Based on these characteristics, we tentatively ascribe this activity to hepatic very low density lipoprotein, the serum counterpart of which is known to express many immunoregulatory properties.
(8) The first stop in this arid place of poor farms and orchards clinging to the dry soil is Rafah, cut off by the border from its Palestinian counterpart.
(9) Obama is expected to offer personal condolences to his counterpart Park Geun-Hye over the tragedy, but the South's unpredictable northern neighbour is set to dominate the agenda.
(10) Both normal precursors and their leukemic counterparts showed adhesion to marrow stroma and fibroblasts.
(11) Check out the latest bill from Russia's parliament, the Duma: its aim is to ban the "unnecessary" usage of foreign words (in cases where there is a pre-existing Russian counterpart).
(12) Lymphoid tumors of a given lineage exhibit a spectrum of phenotypes from clones whose features overlap extensively with their normal counterparts to clones whose features are not obviously represented in normal lymphoid populations.
(13) A definition of AUL and a system for its classification are proposed on the basis of the current state of knowledge about phenotypic features of AUL cells and their clonal counterparts that exist during early stages of normal hematopoiesis.
(14) DNA sequence analysis of 200 bp of the cloned fragment demonstrated an open reading frame showing 51% predicted amino acid identity between the putative C. albicans EF-3 gene and its S. cerevisiae counterpart over the encoded 65-amino-acid stretch.
(15) Multivariate analyses showed some significant post-programme attitudinal changes, with the older volunteers differing in some aspects from their younger counterparts.
(16) This syncitium-like arrangement is interpreted as the morphological counterpart of a possibly synchronized function of these cells.
(17) Transient peripheral vasomotor constriction and heart rate increases were initiated within an 8- to 12-sec period following target detection with the predictable schedule, with subjects evincing greater responsivity than their nonpredictable schedule counterparts.
(18) Antibody inhibition studies revealed that the high affinity receptors remaining after protease treatment and their low affinity counterparts both utilized the same ligand-binding component.
(19) Her behaviour with her European counterparts mirrored her treatment of the Tory grandees.
(20) "When the correct tests are done, GM products are as safe as their non-GM counterparts," said Walport.