bradykinin

(redirected from kinin 9)
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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.

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

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]

brad•y•kin•in

(ˌbræd ɪˈkɪn ɪn, -ˈkaɪ nɪn)

n.
a peptide hormone that dilates blood vessels and increases capillary permeability.
[1945–50]