genital aperture
1. The genital opening.
2. (NEMATA)
When a cloaca is present, the anus.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • genital operculum — (Subclass Copepoda): The plate derived from the sixth legs that close off the genital aperture(s) or gonopore(s) [Boxshall and Halsey, 2004] …   Crustacea glossary

  • Marstonia comalensis — Shell of one of the lectotypes of Marstonia comalensis. Scale bar is 1.0 mm. Scientific classification Kingdom …   Wikipedia

  • oviduct — In females passageway from ovary to uterus and leading to genital aperture [Moore and McCormick, 1969]. Passageway from ovary to genital aperture [McLaughlin, 1980]. The duct connecting the posterior lobe of the ovary to the spermatheca [Ingle,… …   Crustacea glossary

  • gonopore — External opening of the oviduct or vas deferens [Holdich and Jones, 1983]. Outlet for genital products, generally placed constantly in different crustaceans. (Syn. sexual pore) [Moore and McCormick, 1969]. Outlet for genital products. (Syn.… …   Crustacea glossary

  • cirripede — ▪ crustacean Introduction       any of the marine crustaceans of the infraclass Cirripedia (subphylum Crustacea). The best known are the barnacles. Adult cirripedes other than barnacles are internal parasites of marine invertebrates such as crabs …   Universalium

  • Lepidoptera — Taxobox name = Butterflies / skippers, moths fossil range=Jurassic Recent image width = 250px image caption = The Clipper Parthenos sylvia regnum = Animalia phylum = Arthropoda classis = Insecta subclassis = Pterygota infraclassis = Neoptera… …   Wikipedia

  • Digenea — For the bird genus, see Anthipes. Digenea Helicometra sp. (Plagiorchiida: Opecoelidae) from the intestine of a Flame Cardinal fish Scientific classification …   Wikipedia

  • Echinoderm — Temporal range: Cambrian–recent …   Wikipedia

  • Dugong — Dugong[1] Temporal range: Early Eocene–Recent …   Wikipedia

  • tokostome — n. [Gr. tokos, birth; stoma, mouth] (ARTHROPODA: Chelicerata) In Acari, the female genital aperture …   Dictionary of invertebrate zoology

Share the article and excerpts

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