Definition of suctorial in English:
1Adapted for sucking (descriptive, for example, of the mouthparts of some insects).
- Tadpoles do have several rows of denticles, as well as a large, ventrally placed, suctorial oral disk - a suction-cup shaped mouth with which it clings to rocks in fast water.
- The tadpoles of Amolops species are torrent-adapted, and have suctorial disks on their bellies.
- The larvae have suctorial discs and reduced tail fins, which presumably are adaptations for living in swift flowing streams.
1.1(Of an animal) having a sucker for feeding or adhering to something.
- One explanation is that suctorial insect growth was limited by the phenology of the host plant and not just by climate.
- This group includes the suctorial lice, confined to mammals; they are strictly parasitic insects, being confined to their hosts constantly and deriving all their nourishment from them.
- Extremes in this case are represented by suctorial species, Poyntonia paludicola, and various semiterrestrial forms (e.g., Arthroleptides, Cycloramphus, Nannophrys, and Thoropa).
- Example sentences
- Based on radular and soft-tissue morphology and personal observation of feeding behaviors, it appears that species from both regions feed suctorially with the assistance of a diminutive radula.
- The Opisthobranch molluscs Elysia timida, E. translucens, Thuridilla hopei and Bosellia mimetica feed suctorially on the algae Acetabularia acetabulum, Udotea petiolata, Cladophora vagabunda and Halimeda tuna, respectively.
- Finally, the spinner head 25 is lowered, and, while it is suctorially stuck to the sheet object 10 and performing a predetermined rotary movement, the sheet object 10 is fed with a chemical within the inner space of the spinner cut 28, so that the surface of the sheet object 10 is treated.
Definition of suctorial in:
- British & World English dictionary
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