antagonist

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Related to antagonistically: conferred, exultation, underwent, waylaid

antagonist

1. any muscle that opposes the action of another
2. a drug that counteracts the effects of another drug

antagonist

[an′tag·ə‚nist]
(biochemistry)
A molecule that bears sufficient structural similarity to a second molecule to compete with that molecule for binding sites on a third molecule.
(pharmacology)
A drug or other chemical substance capable of reducing the physiological activity of another chemical substance; refers especially to a drug that opposes the action of a drug or other chemical substance on the nervous system by combining with and blocking the nerve receptor.
(physiology)
A muscle that contracts with, and limits the action of, another muscle, called an agonist, with which it is paired.
References in periodicals archive ?
To examine the extent of transcriptional remodeling for Dex- and Gen-regulated genes, co-regulated genes from the overlapping gene lists were classified as a) induced by both Dex and Gen, b) repressed by both Dex and Gen, c) anti-correlated (genes with opposing direction of regulation), or d) antagonistically regulated (Figure 2D); a representative gene demonstrating each of these patterns is provided in Figure 2E.
The relationship between Japan and China remains complex and antagonistically competitive.
e "India could not be further titled as favorite nation" antagonistically said and also quarrelsome mode while talking about Indian smuggling and hoarding.
PICKLE and CLF antagonistically determine root meristem activity since loss of PICKLE function causes a decrease in meristematic activity while loss of CLF function causes increased meristematic activity (Aichinger et al.
These miRNAs were found to act both antagonistically and synergistically, both reducing and promoting apoptosis.
As Dan Brayton reviews the term, ecophobia is a "cultural tendency to relate antagonistically to nature" (226).
Second, instead of an independent and atomistic self, Buddhism advances the notion of an interconnected personhood--a personhood that is connected, both supportively and antagonistically, with others in society.
She also reconciles herself with her infant son, whom she initially perceives so antagonistically in 'At the Bay' (1921).
86) Even if a court is viewed as antagonistically reversing Parliament or a legislature, it would be open to legislative bodies to re-legislate or to use the constitutional override provisions to establish legislative preeminence, (87) Hogg, Thornton and Wright explain that "[a]n important role of the rule of law is to protect minorities and civil liberties generally.
It is hypothesised "the Bmp4-Msx1 pathway is a driving force in the activator-inhibitor network regulating sequential tooth initiation, while Msx1 and Osr2 act antagonistically to pattern the tooth morphogenic field by controlling the expression and spatial distribution of mesenchymal odontogenic signals along the buccolingual axis" [Zhang et al.
Antagonistically, Israel has continuously supported the Kurdish community in Turkey and Northern Iraq providing military training, as well as funding economic development.
He furthermore, reiterated, "Of course Portugal's stands at that time were positive, but many European countries have encountered the Iranian nation antagonistically, without having any logical reason for doing so.