anaphylaxis

[ an-uh-fuh-lak-sis ]
/ ˌæn ə fəˈlæk sɪs /

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

OTHER WORDS FROM anaphylaxis

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

Words nearby anaphylaxis

anaphylactogenesis, anaphylactoid, anaphylactoid purpura, anaphylactoid shock, anaphylatoxin, anaphylaxis, anaplasia, anaplasmosis, anaplastic, anaplastic cell, anaplasty

Example sentences from the Web for anaphylaxis

British Dictionary definitions for anaphylaxis

anaphylaxis
/ (ˌænəfɪˈlæksɪs) /

noun

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

Derived forms of anaphylaxis

anaphylactic or anaphylactoid, adjective anaphylactically, adverb

Word Origin for anaphylaxis

C20: from ana- + ( pro) phylaxis

Medical definitions for anaphylaxis

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

Other words from anaphylaxis

an′a•phy•lac′tic (-lăk′tĭk) adj.

Scientific definitions for anaphylaxis

anaphylaxis
[ ăn′ə-fə-lăk′sĭs ]

See anaphylactic shock.