Definitions
Efferent channels
- Channels through which water passes from gills. Openings at sides of endostome, except in Section Oxystomata in which they open at middle of endostome. [Williams, 1984]
- Passageways through which water moves away from gills and out of branchial region. [Moore and McCormick, 1969]
- Passageways through which water moves away from gills and out of branchial region. [McLaughlin, 1980]