更多prostomium例句

1. Prostomium wider than long, deeply bilobed, the median tentacle inserted deeply in the intervening incision.
2. Prostomium shortly subcordate, well rounded in front, incurved caudally.
3. Prostomium generally small, sometimes prolonged, but never bearing tentacles or processes.
4. Prostomium: The region in front of the mouth; the preoral part of the head.
5. Prostomium of usual general form; consisting of fourteen or fifteen rings.