Scientific term for a three-dimensional spiral shape, especially in biology (e.g., spirochetes) or geometry.
The pathogen of syphilis is a type of spirochete (spiral-shaped bacterium).
DNA takes the form of a double helix.
Standard kanji spelling for this scientific term.
Mixed kana-kanji spelling; may be used for readability or when the kanji 螺 is considered difficult.
Compound of 螺旋 (rasen, 'spiral') + 体 (tai, 'body'). The term is used in scientific contexts to describe spiral-shaped structures or organisms.