pectinate line
Anatomy
noun
The serrated line between the mucosal surfaces of the rectum and anus, at the level of the anal valves.
Origin
1920s.
- photomural
- photon
- photonegative
- photonegativity
- photoneutral
- photoneutron
- photonic
- photonic crystal
- photonics
- photonovel
- photo-novelette
- photon rocket
- photon torpedo
- photonuclear
- photonymograph
- photo-offset
- photo op
- photo opportunity
- photoorganotroph
- photoorganotrophic
- photoorganotrophy
- photo-oxidation
- photo-oxidative
- photo-oxidise
- photo-oxidizable