prehormone
[ prē-hôr′mōn′ ]
n.
A glandular secretory product that is a precursor of a hormone but has little or no inherent biological potency itself.
Words nearby prehormone
prehension,
prehistoric,
prehistory,
prehnite,
prehominid,
prehormone,
prehuman,
preictal,
preignition,
preincarnation,
preincline