The movement of water in syconoid type of canal system is
Dermal ostia --> Canal --> Spongocoel --> Osculum
Dermal ostia -->Incurrent canal Radial canal
Spongocoel --> Osculum
Dermal ostia --> Incurrent canal Flagellated chamber
Excurrent canal --> Spongocoel -->Osculum
Pinacocytes --> choanocytes --> Enteron --> Osculum
As we have learned
Sycon type canal system -
It is more complex than ascon type
Water dermal ostia
incurrent canal
(prosopyles)
Radial canal
(Apopyle)
spongecoel
osculums
outside.
-