tryp·sin·o·gen 
(trĭp-sĭnə-jən)
(trĭp-sĭnə-jən)n.
The inactive precursor of trypsin, produced by the pancreas and converted to trypsin in the small intestine by enterokinase.
- open-mindedly
- open-mindedness
- open-mouthed
- open-mouthedly
- openness
- open (one's) eyes
- open one's eyes
- open-pollinate
- open-pollination
- open season
- open secret
- open sentence
- open sesame
- open shop
- open-source
- open stock
- open system
- open universe
- open up
- openwork
- opera
- opera
- operability
- operable
- operably