Noun
Same as Pseudobranchia.
Source: Webster's dictionaryThough all but the most primitive bony fish lack spiracles, the pseudobranch associated with them often remains, being located at the base of the operculum. Source: Internet
The pseudobranch is small and concealed. Source: Internet
This bears a small pseudobranch that resembles a gill in structure, but only receives blood already oxygenated by the true gills. Source: Internet