bradykinin

brad·y·ki·nin

 (brăd′ĭ-kī′nĭn, -kĭn′ĭn)

n.

A biologically active polypeptide, consisting of nine amino acids, that forms from a blood plasma globulin and mediates the inflammatory response, increases vasodilation, and causes contraction of smooth muscle.

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[brady- + Greek kīnein, to move; see keiə- in Indo-European roots + -in.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

bradykinin

(ˌbrædɪˈkaɪnɪn; ˌbreɪdɪ-)

n

(Physiology) a peptide in blood plasma that dilates blood vessels and causes contraction of smooth muscles. Formula: C50H73N15O11

[C20: from brady- + Greek kin(ēsis) motion + -in]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

brad•y•kin•in

(ˌbræd ɪˈkɪn ɪn, -ˈkaɪ nɪn)

n.

a peptide hormone that dilates blood vessels and increases capillary permeability.

[1945–50]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.