dinoflagellate sulcus
A cell surface furrow that occurs on the ventral side of a dinoflagellate cell. It partially houses the longitudinal flagellum. The sulcus intersects with the cingulum on the ventral side of a dinoflagellate cell.
GO:0097610
cell surface furrow
is_a
longitudinal furrow
related
longitudinal groove
related
sulcus
broad