incurrent canal

incurrent canal

[in′kər·ənt kə′nal]
(invertebrate zoology)
A canal through which water enters a sponge.
References in periodicals archive ?
Feeding in sponges has been well-documented, and with the exception of the two examples cited in the introduction, the Cladorhizidae and the Hexactinellida, particle uptake in sponges occurs at the choanocytes in the flagellated chambers or at the pinacoderm-lined incurrent canals.
Most of the sponge's some, which lies beneath the sediment surface, is supported by numerous small incurrent canals and ostia (Figs.