tachykinin
tach y kin in |ˌtakəˈkīnin ˌtækəˈkaɪnɪn | ▶noun Biochemistry any of a class of substances formed in bodily tissue in response to injury and having a rapid stimulant effect on smooth muscle.
tachykinin |ˌtakɪˈkʌɪnɪn | ▶noun Biochemistry any of a class of substances formed in bodily tissue in response to injury and having a rapid stimulant effect on smooth muscle.