statocysts
A complex fluid filled invagination contained within the swollen base of the antennule and responsible for the sense of balance [Ingle, 1983].
Diminutive organ providing sense of balance, present in most crustaceans [Moore and McCormick, 1969].
(Order Isopoda):
Small saclike sensory organ, usually containing a granule(s), used to indicate to the animal its orientation; present singly or paired on the pleotelson of some anthurideans [Wetzer et al. 1997].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • statocysts — n. organ which serves to maintain equilibrium in certain invertebrates (Zoology) …   English contemporary dictionary

  • external statocysts — (ARTHROPODA: Insecta) Special hair structures for the retention of the air supply that are adapted to underwater life …   Dictionary of invertebrate zoology

  • mechanoreception — See mechanoreceptor. * * * Ability to detect and respond to mechanical stimuli in one s environment. A slight deformation of a mechanoreceptive neuron causes an electric charge at its surface, activating a response. Mechanoreceptors in pain spots …   Universalium

  • cnidarian — /nuy dair ee euhn/, n. 1. any invertebrate animal, as a hydra, jellyfish, sea anemone, or coral, considered as belonging to the phylum Cnidaria, characterized by the specialized stinging structures in the tentacles surrounding the mouth; a… …   Universalium

  • Cnidaria — Temporal range: 580–0 Ma …   Wikipedia

  • Cephalopod — Cephalopods Temporal range: Devonian – Recent[1] (Stem groups from Cambrian)[2] …   Wikipedia

  • Ctenophore — Taxobox name = Comb jellies image caption = Ctenophorae from Ernst Haeckel s Kunstformen der Natur , 1904 domain = Eukaryota regnum = Animalia phylum = Ctenophora phylum authority = Eschscholtz, 1829 subdivision ranks = Classes subdivision =… …   Wikipedia

  • crustacean — /kru stay sheuhn/, n. 1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice. adj. 2. belonging or pertaining to the… …   Universalium

  • Arthropod — Temporal range: 540–0 Ma …   Wikipedia

  • Octopus — This article is about the order of cephalopod. For other uses, see Octopus (disambiguation). Octopus …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”