hypostome

口下板

词形变化

hypostomes 复数 hypostomes

释义与例句

n.
  1. 1.

    Any of certain mouth appendages of some insects, arachnids, crustaceans, and hydrozoa; in particular

    医学

    2012, Georgia E. Lesh-Laurie, Chapter 5. Expression and Maintenance of Organismic Polarity, Allison L. Burnett (editor), Biology of Hydra, Harcourt Brace Jovanovich (Academic Press), pages 160-161, As a result or these interactions, the presence of a hypostome inhibits the formation of another hypostome nearby. Removal of the hypostome causes the level of inhibition to fall; regeneration of it restores this level (Webster, 1966).

  2. 2.

    Any of certain mouth appendages of some insects, arachnids, crustaceans, and hydrozoa; in particular:

    The ventral mouthpart plate in trilobites;

    医学
  3. 3.

    Any of certain mouth appendages of some insects, arachnids, crustaceans, and hydrozoa; in particular:

    The barbed attachment structure associated with the mouthparts of parasitic arachnids (e.g. ticks);

    医学
  4. 4.

    Any of certain mouth appendages of some insects, arachnids, crustaceans, and hydrozoa; in particular:

    The oral tip surrounded by tentacles in hydrozoan cnidarians.

    医学

词源

From hypo- + -stome.

来源：wiktionary