stegostom

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]

Noun

[edit]

stegostom

  1. 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.

Derived terms

[edit]