ambulacrals造句

例句与造句

1. The five ambulacral grooves contain numerous ambulacral spines and tube feet.
2. The five ambulacral grooves contain numerous ambulacral spines and tube feet.
3. Each of these have simple ambulacral pore.
4. In some forms the single ray ( brachiole or aulacophore ) possessed an ambulacral groove.
5. The ambulacral grooves extend onto the arms, which thus have tube feet along their inner surfaces.
6. It's difficult to find ambulacrals in a sentence. 用ambulacrals造句挺难的
7. There is often a large row of marginal plates adjoining the ambulacral groove, sometimes bearing spines.
8. However they are differentiated by the lack of accessory ambulacral pores, which are characteristic of that group.
9. Five or more radial canals extend from the ring canal, one in each arm above the ambulacral groove.
10. The radial canal ends in a small water-filled tentacle which protrudes through the uppermost plate of the ambulacral region.
11. They are essentially fused plates which correspond to the parallel ambulacral plates in sea stars and five Paleozoic families of ophiuroids.
12. Other species protect their vulnerable tube feet and arm tips by lining their ambulacral grooves with spines and heavily plating their extremities.
13. Ophiuroids have no ambulacral groove, and the radial canals instead run through the solid bone-like ossicles of the arms.
14. Five, or less commonly three, ambulacral areas ran along the outside of the body, radiating outwards from the mouth.
15. One of several different species of symbiotically within the ambulacral grooves on the oral ( under ) surface of the slime star.
16. Most fossil forms had multiple columns of ambulacral plates, rather than the two rows found in all living species of sea urchin.
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