Question: What Is Antagonistic Reaction?

What does antagonism mean?

1 : one that contends with or opposes another : adversary, opponent political antagonists.

2 : an agent of physiological antagonism: such as.

a : a muscle that contracts with and limits the action of an agonist with which it is paired..

What does Tagonist mean?

1a(1) : the principal character in a literary work (such as a drama or story) (2) : the leading actor or principal character in a television show, movie, book, etc. b : an active participant in an event. 2 : a leader, proponent, or supporter of a cause : champion.

What does agonistic mean?

1 : of or relating to the athletic contests of ancient Greece. 2 : argumentative. 3 : striving for effect : strained. 4 : of, relating to, or being aggressive or defensive social interaction (such as fighting, fleeing, or submitting) between individuals usually of the same species.

What are the two types of homeostatic control mechanisms?

The sensors, integrating center, and effectors are the basic components of every homeostatic response. Positive and negative feedback are more complicated mechanisms that enable these three basic components to maintain homeostasis for more complex physiological processes.

What is an example of antagonism?

The definition of antagonism is an ongoing aggression or animosity between two individuals or groups. An example of antagonism is when a group of students repeatedly bully another group. The state of being opposed or hostile to another or to each other; opposition or hostility.

What does antagonistic mean in science?

In an antagonistic muscle pair as one muscle contracts the other muscle relaxes or lengthens. The muscle that is contracting is called the agonist and the muscle that is relaxing or lengthening is called the antagonist.

What is antagonistic control?

Antagonistic Control modulates the activity of an organ system by two separate regulators which act in opposition.

What are the 5 components of homeostasis?

Terms in this set (6)Stimulus produce change in variable (body temperature falls)Receptor detect change (detected by thermoreceptors in skin)Information sent along Afferent pathway to control centre.Control centre process message (in the thermoregulatory centre in brain)More items…

Which hormones have antagonistic effects?

The hormones have opposite actions on the body and are called antagonistic. Insulin and glucagon make up an antagonistic hormone pair; the action of insulin is opposite that of glucagon.

How do you describe an antagonist?

Here’s a quick and simple definition: An antagonist is usually a character who opposes the protagonist (or main character) of a story, but the antagonist can also be a group of characters, institution, or force against which the protagonist must contend.

What are two examples of antagonistic hormones?

Antagonistic HormonesBeta cells secrete insulin. When the concentration of blood glucose rises (after eating, for example), beta cells secrete insulin into the blood. … Alpha cells secrete glucagon. When the concentration of blood glucose drops (during exercise, for example), alpha cells secrete glucagon into the blood.

What hormone is antagonistic to insulin?

The counterregulatory hormones glucagon, adrenaline, cortisol and growth hormone are released during hypoglycaemia, and under other stress conditions. These hormones have insulin-antagonistic effects both in the liver and in the peripheral tissues.

What is antagonistic effect?

Definition: A biologic response to exposure to multiple substances that is less than would be expected if the known effects of the individual substances were added together.

Is antagonist good or bad?

A villain. The traditional definition of antagonist is a villain—a “bad guy” in the story, often working for evil purposes to destroy a heroic protagonist.

What is the role of an antagonist?

An antagonist, in a work of fiction, is a character or force that opposes a protagonist, the main character who often is the story’s hero. An antagonist provides the story’s conflict by creating an obstacle for a story’s protagonist.

What are examples of antagonistic muscles?

Antagonist and agonist muscles often occur in pairs, called antagonistic pairs. As one muscle contracts, the other relaxes. An example of an antagonistic pair is the biceps and triceps; to contract, the triceps relaxes while the biceps contracts to lift the arm.

What three types of signals control hormones?

Regulation of secretion normally prevents overproduction or underproduction of any given hormone to help maintain homeostasis. What three types of signals control hormone secretion? Hormone secretion is regulated by (1) signals from the nervous system, (2) chemical changes in the blood, and (3) other hormones.

What hormone is antagonistic to aldosterone?

What hormone is antagonistic to the actions of aldosterone? How is the heart involved as an endocrine gland? A few cardiac cells secrete atrial natriuretic peptide (ANP), which helps regulate salt output by the kidney. ANP inhibits aldosterone and signals the kidney to remove more salt.