anaphylaxis

[an-uh-fuh-lak-sis]

See more synonyms for anaphylaxis on Thesaurus.com

noun Pathology.

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

Origin of anaphylaxis

First recorded in 1905–10; ana- + (pro)phylaxis

Related formsan·a·phy·lac·tic

[an-uh-fuh-lak-tik] /ˌæn ə fəˈlæk tɪk/, adjectivean·a·phy·lac·ti·cal·ly, adverban·ti·an·a·phy·lac·tic, adjective, nounpseu·do·an·a·phy·lac·tic, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for anaphylactic

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
Among the reactions usually classed as anaphylactic are the occasional cases of sensitivity to particular food substances.
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
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

British Dictionary definitions for anaphylactic

anaphylaxis

noun

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

Derived Formsanaphylactic or anaphylactoid, adjectiveanaphylactically, adverb

Word Origin

C20: from ana- + (pro) phylaxis

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for anaphylactic

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.

anaphylaxis

n.

see anaphylactic.

anaphylactic in Medicine

anaphylaxis

(ăn′ə-fə-lăk′sĭs)

n. pl. an•a•phy•lax•es (-lăk′sēz)

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

anaphylactic in Science

anaphylaxis

[ăn′ə-fə-lăk′sĭs]

See anaphylactic shock.

anaphylaxis

Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}anaphylaxis

Examples from the Web for anaphylactic

Historical Examples

The histone was so toxic that its anaphylactic properties could not be studied.

Idiosyncrasy to cow's milk which is observed sometimes in infants is an anaphylactic phenomenon.

Among the reactions usually classed as anaphylactic are the occasional cases of sensitivity to particular food substances.

The first case in the line of descent must start with a severe poisoning that lays the foundation of the anaphylactic inheritance.

Now all these specific reactions, the precipitin reaction as well as the anaphylactic reaction, can be called forth by proteins.

anaphylaxis

Word Origin

Word Origin and History for anaphylactic

adj.

anaphylaxis

n.

anaphylaxis

anaphylaxis

Origin of anaphylaxis