Calyx (zoology)

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Calyx is a term used in animal anatomy for some cuplike areas or structures.

1 Cnidarians
2 Entoprocta
3 Echinoderms
4 Insects
5 References

[edit] Cnidarians

The spicules containing the basal portion of the the upper tentacular part of the polyp of some soft corals (also called calice).

[edit] Entoprocta

A body part of the Entoprocta from which tentacles arise and the mouth and anus are located^[1].

[edit] Echinoderms

The body disk that is covered with a leathery tegumen containing calcareous plates (in crinoids and ophiuroids the main part of the body where the viscera are located)^[2].

[edit] Insects

In male insects, a funnel-shaped expansion of the basal part of the vas deferens (part of the seminal duct). Also in entomology, a flattened cap of neuropile in an insect brain (a component of the corpus pedunculatum) and by certain female insects, an expansion of the oviduct into which the ovarioles open.

[edit] References

^ R.C.Brusca, G.J.Brusca. Invertebrates. Sinauer Associates, 2 ed.(2003)
^ A.R.Maggenti et al., Online Dictionary of Invertebrate Zoology, digitalcommons.unl.edu, 2005