se·cre·ta·gogue 
(sĭ-krētə-gôg′, -gŏg′)
(sĭ-krētə-gôg′, -gŏg′)n.
A hormone or another agent that causes or stimulates secretion.
[SECRET(ION)1 + -AGOGUE.]
- running stitch
- runny
- Runnymede
- run off
- runoff
- run off at the mouth
- run off with
- run-of-the-mill
- run on
- run-on
- run (one's) eyes over
- run one's eyes over
- run-on sentence
- run out
- runout
- run out of
- run out of gas
- run out of gas/steam
- run out of steam
- run out on
- run over
- run rings around
- run run out the clock
- run scared
- run short