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Fig. 2.37 Schematic longitudinal section of peristomial ovicell in
Margaretta barbata . Abbreviations: as ascus, bc brood cavity, d diaphragm, dz distal zooid, fr frontal shield, hc hypostegal coelom, m
muscle strands of ooecial vesicle, mz maternal zooid, of ovicell fl oor, op
operculum, ре lumen of peristome, tw transverse wall
Figures
Fig. 2.37 Schematic longitudinal section of peristomial ovicell in
Margaretta barbata . Abbreviations: as ascus, bc brood cavity, d diaphragm, dz distal zooid, fr frontal shield, hc hypostegal coelom, m
muscle strands of ooecial vesicle, mz maternal zooid, of ovicell fl oor, op
operculum, ре lumen of peristome, tw transverse wall
Figures