kinin

noun

ki·​nin ˈkī-nən 

1

: any of various polypeptide hormones that are formed locally in the tissues and cause dilation of blood vessels and contraction of smooth muscle

2

: cytokinin

Examples of kinin in a Sentence

Recent Examples on the Web

Hormones, such as inflammatory cytokines, neurotransmitters, and kinins, interact between the brain and the gut’s local area, called the myenteric plexus, explains Cynthia Quainoo, MD, a gastroenterologist at Gastroenterology Associates of Brooklyn. —Addison Aloian, Women's Health, 21 Apr. 2023

Word History

Etymology

Greek kinein to move, stimulate + English -in entry 1 — more at -kinesis

First Known Use

1954, in the meaning defined at sense 1

Medical Definition

kinin

noun

ki·​nin ˈkī-nən 

1

: any of various polypeptide hormones that are formed locally in the tissues and cause dilation of blood vessels and contraction of smooth muscle

2

: cytokinin