helix
In mathematics, a three-dimensional curve resembling a spring, corkscrew, or screw thread. It is generated by a line that encircles a cylinder or cone at a constant angle.
Helix
| Genus of snails. H. hortensis is the common European snail, and H. pomatia, also found in Britain, is the Roman snail. |
ClassificationHelix is in subclass Pulmonata, class Gastropoda, phylum Mollusca. |
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