Not to be confused with the Croatian city of Knin A kinin is any of various structurally related peptides, such as bradykinin and kallidin.
[5] In botany, the plant hormones known as cytokinins were first called kinins, but the name was changed to avoid confusion.
[5] Kinin act on axons to block nervous impulses, which leads to distal muscle relaxation.
Kinin are rapidly inactivated by the proteases locally generated during the above-mentioned processes.
[8] Kinins function as mediators for inflammatory responses by triggering the immune system.
They are also able to regulate cardiovascular and renal function through mediating the effects of ACE inhibitors.