Anaphylactic



exaggerated allergic reaction to a foreign protein resulting from previous exposure to it.
Historical Examples

The histone was so toxic that its anaphylactic properties could not be studied.
The Organism as a Whole Jacques Loeb

Idiosyncrasy to cow’s milk which is observed sometimes in infants is an anaphylactic phenomenon.
Food Poisoning Edwin Oakes Jordan

The first case in the line of descent must start with a severe poisoning that lays the foundation of the anaphylactic inheritance.
The Treatment of Hay Fever George Frederick Laidlaw

Among the reactions usually classed as anaphylactic are the occasional cases of sensitivity to particular food substances.
Food Poisoning Edwin Oakes Jordan

Now all these specific reactions, the precipitin reaction as well as the anaphylactic reaction, can be called forth by proteins.
The Organism as a Whole Jacques Loeb

noun
extreme sensitivity to an injected antigen, esp a protein, following a previous injection
adj.

1905, with -ic + medical Latin noun anaphylaxis “exaggerated susceptibility,” from French anaphylaxie (1902), from Greek ana- (see ana-) + phylaxis “watching, guarding” (cf. prophylactic). Anaphylactic shock is attested by 1916.
n.

see anaphylactic.

anaphylaxis an·a·phy·lax·is (ān’ə-fə-lāk’sĭs)
n. pl. an·a·phy·lax·es (-lāk’sēz)

Hypersensitivity induced by preliminary exposure to a substance and usually producing a contraction of smooth muscle and a dilation of blood vessels.

See anaphylactic shock.

an’a·phy·lac’tic (-lāk’tĭk) adj.
anaphylaxis
(ān’ə-fə-lāk’sĭs)
See anaphylactic shock.

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Read Also:

  • Anaphylactic shock

    Pathology. a severe and sometimes fatal allergic reaction to a foreign substance, especially a protein, as serum or bee venom, to which an individual has become sensitized, often involving rapid swelling, acute respiratory distress, and collapse of circulation. noun a severe, sometimes fatal, reaction to a substance to which a person has an extreme sensitivity, […]

  • Anaphylaxis

    exaggerated allergic reaction to a foreign protein resulting from previous exposure to it. Historical Examples What if gout should prove to be a sensitization or anaphylaxis to uric acid that does not exist in the non-gouty? The Treatment of Hay Fever George Frederick Laidlaw Foreign protein sensitization or anaphylaxis was the basis of Dr. Rutledge’s […]



  • Anaphylactogen

    anaphylactogen anaphylactogen an·a·phy·lac·to·gen (ān’ə-fə-lāk’tə-jən) n. A substance capable of producing anaphylaxis in an individual. an’a·phy·lac’to·gen’ic (-jěn’ĭk) adj.

  • Anaphylactoid

    anaphylactoid anaphylactoid an·a·phy·lac·toid (ān’ə-fə-lāk’toid’) adj. Of or resembling anaphylaxis.



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