Metasert

A term for the plate configuration in gonyaulacaleans where the first apical homologue (1u) does not contact the apical pore complex and where there is no contact between the fourth apical homologue (A) and the first precingular plate or its homologue (2), but there is a contact between the fourth and second apical homologues (A/B). See also exsert and insert. Refer to Text-Figures 62-63.