stegostom
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English
[edit]Noun
[edit]stegostom
- The posterior (innermost) portion of the stoma (oral cavity) of a nematode.
- 2006, E. Abebe, István Andrássy, W. Truanspurger, Freshwater Nematodes: Ecology and Taxonomy, page 731:
- Stoma tubular or funnel-shaped, with small cheilo- and gymnostom and developed stegostom, the latter with distinct or minute dorsal denticle and often with additional smaller denticles.
- 2017, Qi Li, Wenju Liang, Xiaoke Zhang, Soil Nematodes of Grasslands in Northern China, page 53:
- Free-living nematodes, especially of the order Rhabditida, have a stoma composed of three circular, ring-like cuticularized structures: cheilostom, gymnostom, and stegostom.