anaphylaxis

[an-uh-fuh-lak-sis] /ˌæn ə fəˈlæk sɪs/
noun, Pathology
1.
exaggerated allergic reaction to a foreign protein resulting from previous exposure to it.
Origin
1905-10; ana- + (pro)phylaxis
Related forms
anaphylactic
[an-uh-fuh-lak-tik] /ˌæn ə fəˈlæk tɪk/ (Show IPA), adjective
anaphylactically, adverb
antianaphylactic, adjective, noun
pseudoanaphylactic, adjective
Examples from the web for anaphylactic
  • And you don't know when you're going to have that one reaction and go into anaphylactic shock and maybe drop dead.
  • These reactions can range from mild skin rashes to rare but severe, even life-threatening, anaphylactic shock.
  • These reactions can range from mild skin rashes to rare, but severe and even life-threatening anaphylactic shock.
  • These reactions can range from mild skin rashes to rare but severe, even life-threatening anaphylactic shock.
  • Decreased blood pressure, wheezing, and other signs may indicate an anaphylactic reaction.
British Dictionary definitions for anaphylactic

anaphylaxis

/ˌænəfɪˈlæksɪs/
noun
1.
extreme sensitivity to an injected antigen, esp a protein, following a previous injection
Derived Forms
anaphylactic, anaphylactoid, adjective
anaphylactically, adverb
Word Origin
C20: from ana- + (pro)phylaxis
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 an·a·phy·lax·is (ān'ə-fə-lāk'sĭs)
n. pl. an·a·phy·lax·es (-lāk'sēz)

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

  2. See anaphylactic shock.

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