| Description | Slide shows diagram illustrating the 'Structure of Trochosphere of Eupomatus.'
Diagram is labelled with letters 'M', 'A','S','N','S.O.', 'E', 'ME', 'AV'.
The corresponding key reads as follows:
'Fig. 142. - Diagram showing structure of Trochosphere of Eupomatus. - After Shearer. M., Mouth; A., anus; S., stomach; N., larval kidney; S.O., apical sense organ; E., eye-spot; M E., beginning of mesoderm; A.V., anal vessicle.' |